diff --git a/.gitignore b/.gitignore
index ac68bba..8c48922 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,5 @@
-__history
\ No newline at end of file
+__history
+*.local
+*.identcache
+bin
+lib
\ No newline at end of file
diff --git a/InteractiveTests/DelphiLuaInteractiveTests.dpr b/InteractiveTests/DelphiLuaInteractiveTests.dpr
new file mode 100644
index 0000000..9750faf
--- /dev/null
+++ b/InteractiveTests/DelphiLuaInteractiveTests.dpr
@@ -0,0 +1,19 @@
+program DelphiLuaInteractiveTests;
+
+uses
+  Vcl.Forms,
+  MainFrm in 'MainFrm.pas' {MainForm},
+  Lua.API in '..\Lua.API.pas',
+  Lua in '..\Lua.pas';
+
+{$R *.res}
+
+var
+  MainForm: TMainForm;
+
+begin
+  Application.Initialize;
+  Application.MainFormOnTaskbar := True;
+  Application.CreateForm(TMainForm, MainForm);
+  Application.Run;
+end.
diff --git a/InteractiveTests/DelphiLuaInteractiveTests.dproj b/InteractiveTests/DelphiLuaInteractiveTests.dproj
new file mode 100644
index 0000000..a4ad1ce
--- /dev/null
+++ b/InteractiveTests/DelphiLuaInteractiveTests.dproj
@@ -0,0 +1,163 @@
+	<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+		<PropertyGroup>
+			<ProjectGuid>{8EF9E49D-83BD-4B5D-B407-7CB3763E3730}</ProjectGuid>
+			<ProjectVersion>13.4</ProjectVersion>
+			<FrameworkType>VCL</FrameworkType>
+			<MainSource>DelphiLuaInteractiveTests.dpr</MainSource>
+			<Base>True</Base>
+			<Config Condition="'$(Config)'==''">Debug</Config>
+			<Platform Condition="'$(Platform)'==''">Win32</Platform>
+			<TargetedPlatforms>1</TargetedPlatforms>
+			<AppType>Application</AppType>
+		</PropertyGroup>
+		<PropertyGroup Condition="'$(Config)'=='Base' or '$(Base)'!=''">
+			<Base>true</Base>
+		</PropertyGroup>
+		<PropertyGroup Condition="('$(Platform)'=='Win64' and '$(Base)'=='true') or '$(Base_Win64)'!=''">
+			<Base_Win64>true</Base_Win64>
+			<CfgParent>Base</CfgParent>
+			<Base>true</Base>
+		</PropertyGroup>
+		<PropertyGroup Condition="('$(Platform)'=='Win32' and '$(Base)'=='true') or '$(Base_Win32)'!=''">
+			<Base_Win32>true</Base_Win32>
+			<CfgParent>Base</CfgParent>
+			<Base>true</Base>
+		</PropertyGroup>
+		<PropertyGroup Condition="'$(Config)'=='Debug' or '$(Cfg_1)'!=''">
+			<Cfg_1>true</Cfg_1>
+			<CfgParent>Base</CfgParent>
+			<Base>true</Base>
+		</PropertyGroup>
+		<PropertyGroup Condition="('$(Platform)'=='Win32' and '$(Cfg_1)'=='true') or '$(Cfg_1_Win32)'!=''">
+			<Cfg_1_Win32>true</Cfg_1_Win32>
+			<CfgParent>Cfg_1</CfgParent>
+			<Cfg_1>true</Cfg_1>
+			<Base>true</Base>
+		</PropertyGroup>
+		<PropertyGroup Condition="'$(Config)'=='Release' or '$(Cfg_2)'!=''">
+			<Cfg_2>true</Cfg_2>
+			<CfgParent>Base</CfgParent>
+			<Base>true</Base>
+		</PropertyGroup>
+		<PropertyGroup Condition="('$(Platform)'=='Win32' and '$(Cfg_2)'=='true') or '$(Cfg_2_Win32)'!=''">
+			<Cfg_2_Win32>true</Cfg_2_Win32>
+			<CfgParent>Cfg_2</CfgParent>
+			<Cfg_2>true</Cfg_2>
+			<Base>true</Base>
+		</PropertyGroup>
+		<PropertyGroup Condition="'$(Base)'!=''">
+			<Manifest_File>None</Manifest_File>
+			<VerInfo_Keys>CompanyName=;FileDescription=;FileVersion=1.0.0.0;InternalName=;LegalCopyright=;LegalTrademarks=;OriginalFilename=;ProductName=;ProductVersion=1.0.0.0;Comments=</VerInfo_Keys>
+			<VerInfo_Locale>1043</VerInfo_Locale>
+			<DCC_Namespace>System;Xml;Data;Datasnap;Web;Soap;Vcl;Vcl.Imaging;Vcl.Touch;Vcl.Samples;Vcl.Shell;$(DCC_Namespace)</DCC_Namespace>
+			<Icon_MainIcon>$(BDS)\bin\delphi_PROJECTICON.ico</Icon_MainIcon>
+			<DCC_UsePackage>DBXInterBaseDriver;DataSnapServer;DataSnapCommon;DbxCommonDriver;dbxcds;CustomIPTransport;dsnap;IndyCore;FmxTeeUI;IPIndyImpl;bindcompfmx;dbrtl;bindcomp;inetdb;xmlrtl;ibxpress;soaprtl;FMXTee;bindengine;DBXInformixDriver;DBXFirebirdDriver;inet;DBXSybaseASADriver;dbexpress;fmx;IndySystem;DataSnapClient;DataSnapProviderClient;DBXOracleDriver;inetdbxpress;rtl;DbxClientDriver;IndyProtocols;DBXMySQLDriver;DataSnapIndy10ServerTransport;$(DCC_UsePackage)</DCC_UsePackage>
+			<DCC_DcuOutput>.\$(Platform)\$(Config)</DCC_DcuOutput>
+			<DCC_ExeOutput>.\$(Platform)\$(Config)</DCC_ExeOutput>
+		</PropertyGroup>
+		<PropertyGroup Condition="'$(Base_Win64)'!=''">
+			<DCC_UsePackage>dxTileControlRS16;cxLibraryRS16;dxPsPrVwAdvRS16;dxRibbonCustomizationFormRS16;dxPSCoreRS16;dxRichEditInplaceRS16;dxPScxTLLnkRS16;dxPSdxSpreadSheetLnkRS16;cxPageControlRS16;dxPScxGridLnkRS16;vclimg;dxComnRS16;vcldb;dxOfficeCoreRS16;dxBarExtDBItemsRS16;dxSpreadSheetInplaceRichEditRS16;dxSpreadSheetCoreRS16;cxDataRS16;dxDockingRS16;dxPSDBTeeChartRS16;dxSpreadSheetReportDesignerRS16;dxBarExtItemsRS16;dxPSLnksRS16;dxPSdxPDFViewerLnkRS16;dxPSTeeChartRS16;dxPSdxLCLnkRS16;cxVerticalGridRS16;dxorgcRS16;dxWizardControlRS16;dxPScxExtCommonRS16;dxNavBarRS16;dxSpreadSheetCoreDialogsRS16;dxSpreadSheetCoreConditionalFormattingDialogsRS16;cxSchedulerTreeBrowserRS16;DBXOdbcDriver;dxdbtrRS16;dxRichEditCoreRS16;dxPSdxDBTVLnkRS16;vclactnband;dxPScxSchedulerLnkRS16;dxServerModeRS16;bindcompvcl;vclie;dsnapcon;dxHttpIndyRequestRS16;vclx;dxFlowChartRS16;dxGDIPlusRS16;dxdborRS16;dxPDFViewerRS16;dxEMFRS16;dxLayoutControlRS16;dxSpreadSheetRS16;dxPScxPivotGridLnkRS16;dxCoreRS16;dxPScxVGridLnkRS16;cxExportRS16;dxPSdxMapControlLnkRS16;dxBarRS16;TeeDB;dxDBXServerModeRS16;cxTreeListdxBarPopupMenuRS16;dxPSdxGaugeControlLnkRS16;dxRibbonRS16;DBXSybaseASEDriver;dxSpreadSheetConditionalFormattingDialogsRS16;cxTreeListRS16;vcldsnap;dxGaugeControlRS16;DBXDb2Driver;vcl;DBXMSSQLDriver;cxSchedulerGridRS16;dxRichEditControlCoreRS16;webdsnap;dxtrmdRS16;adortl;dxRichEditControlRS16;dxRichEditDocumentModelRS16;dxPSdxDBOCLnkRS16;Tee;cxPivotGridChartRS16;dxmdsRS16;dxSpellCheckerRS16;dxMapControlRS16;cxGridRS16;dxPScxCommonRS16;dxPSPrVwRibbonRS16;cxEditorsRS16;TeeUI;cxPivotGridRS16;cxSchedulerRibbonStyleEventEditorRS16;cxSchedulerRS16;vcltouch;websnap;dxFlowChartAdvancedCustomizeFormRS16;VclSmp;dxTabbedMDIRS16;dxPSRichEditControlLnkRS16;dxPSdxOCLnkRS16;dxPSdxFCLnkRS16;dxThemeRS16;dxPScxPCProdRS16;dxBarDBNavRS16;$(DCC_UsePackage)</DCC_UsePackage>
+		</PropertyGroup>
+		<PropertyGroup Condition="'$(Base_Win32)'!=''">
+			<DCC_UsePackage>dxTileControlRS16;JvGlobus;JvMM;cxLibraryRS16;JvManagedThreads;JvCrypt;rbDIDE1516;dxPsPrVwAdvRS16;dxRibbonCustomizationFormRS16;rbTCUI1516;dxPSCoreRS16;dxRichEditInplaceRS16;dxPScxTLLnkRS16;dxPSdxSpreadSheetLnkRS16;JvNet;cxPageControlRS16;dxPScxGridLnkRS16;JvDotNetCtrls;vclimg;rbDAD1516;dxComnRS16;JvXPCtrls;rbRCL1516;vcldb;dxOfficeCoreRS16;dxBarExtDBItemsRS16;rbIBE1516;dxSpreadSheetInplaceRichEditRS16;dclRBIBE1516;dclRBADO1516;dxSpreadSheetCoreRS16;CloudService;rbRAP1516;cxDataRS16;dxDockingRS16;dxPSDBTeeChartRS16;JvDB;JvRuntimeDesign;dxSpreadSheetReportDesignerRS16;X2CLMB;dxBarExtItemsRS16;dxPSLnksRS16;dxPSdxPDFViewerLnkRS16;JclDeveloperTools;dxPSTeeChartRS16;dxPSdxLCLnkRS16;cxVerticalGridRS16;dxorgcRS16;dxWizardControlRS16;dxPScxExtCommonRS16;vcldbx;rbDBDE1516;dxNavBarRS16;dclRBE1516;dxSpreadSheetCoreDialogsRS16;rbIDE1516;JvPluginSystem;dxSpreadSheetCoreConditionalFormattingDialogsRS16;cxSchedulerTreeBrowserRS16;DBXOdbcDriver;JvCmp;dxdbtrRS16;madDisAsm_;dxRichEditCoreRS16;JvTimeFramework;dxPSdxDBTVLnkRS16;vclactnband;dxPScxSchedulerLnkRS16;dxServerModeRS16;bindcompvcl;Jcl;vclie;madExcept_;dsnapcon;dxHttpIndyRequestRS16;JvPascalInterpreter;vclx;rbDBE1516;dxFlowChartRS16;dxGDIPlusRS16;JvBDE;dxdborRS16;dxPDFViewerRS16;dxEMFRS16;dxLayoutControlRS16;dxSpreadSheetRS16;dxPScxPivotGridLnkRS16;dxCoreRS16;dxPScxVGridLnkRS16;cxExportRS16;dxPSdxMapControlLnkRS16;dxBarRS16;JvDlgs;cxSchedulerWebServiceStorageRS16;TeeDB;dxDBXServerModeRS16;cxTreeListdxBarPopupMenuRS16;dxPSdxGaugeControlLnkRS16;vclib;inetdbbde;dxRibbonRS16;DBXSybaseASEDriver;dxSpreadSheetConditionalFormattingDialogsRS16;rbTC1516;cxTreeListRS16;vcldsnap;X2CLGL;dxGaugeControlRS16;DBXDb2Driver;dclRBBDE1516;rbDB1516;JvCore;vcl;DBXMSSQLDriver;JvAppFrm;cxSchedulerGridRS16;dxRichEditControlCoreRS16;webdsnap;dxtrmdRS16;rbRIDE1516;JvDocking;adortl;JvWizards;dxRichEditControlRS16;rbADO1516;madBasic_;JvHMI;dxRichEditDocumentModelRS16;JvBands;dxPSdxDBOCLnkRS16;Tee;rbUSERDesign1516;JvSystem;svnui;cxPivotGridChartRS16;JvControls;dxmdsRS16;dxSpellCheckerRS16;dxMapControlRS16;cxGridRS16;dxPScxCommonRS16;dxPSPrVwRibbonRS16;cxEditorsRS16;TeeUI;cxPivotGridRS16;rbUSER1516;JvJans;JvPrintPreview;JvPageComps;dclRBDBE1516;JvStdCtrls;JvCustom;cxSchedulerRibbonStyleEventEditorRS16;rbBDE1516;cxSchedulerRS16;vcltouch;websnap;dxFlowChartAdvancedCustomizeFormRS16;VclSmp;dxTabbedMDIRS16;dxPSRichEditControlLnkRS16;DataSnapConnectors;dxPSdxOCLnkRS16;dxPSdxFCLnkRS16;dxThemeRS16;JclVcl;dxPScxPCProdRS16;rbCIDE1516;svn;bdertl;VirtualTreesR;dxAuthorizationAgentsRS16;dxBarDBNavRS16;$(DCC_UsePackage)</DCC_UsePackage>
+			<VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
+			<DCC_Namespace>Winapi;System.Win;Data.Win;Datasnap.Win;Web.Win;Soap.Win;Xml.Win;Bde;$(DCC_Namespace)</DCC_Namespace>
+			<VerInfo_Locale>1033</VerInfo_Locale>
+			<Manifest_File>$(BDS)\bin\default_app.manifest</Manifest_File>
+		</PropertyGroup>
+		<PropertyGroup Condition="'$(Cfg_1)'!=''">
+			<DCC_Define>DEBUG;$(DCC_Define)</DCC_Define>
+			<DCC_Optimize>false</DCC_Optimize>
+			<DCC_GenerateStackFrames>true</DCC_GenerateStackFrames>
+			<DCC_DebugInfoInExe>true</DCC_DebugInfoInExe>
+			<DCC_RemoteDebug>true</DCC_RemoteDebug>
+		</PropertyGroup>
+		<PropertyGroup Condition="'$(Cfg_1_Win32)'!=''">
+			<DCC_ExeOutput>bin\win32</DCC_ExeOutput>
+			<VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
+			<Manifest_File>$(BDS)\bin\default_app.manifest</Manifest_File>
+			<DCC_DcuOutput>lib\win32</DCC_DcuOutput>
+			<VerInfo_Locale>1033</VerInfo_Locale>
+			<DCC_RemoteDebug>false</DCC_RemoteDebug>
+		</PropertyGroup>
+		<PropertyGroup Condition="'$(Cfg_2)'!=''">
+			<DCC_LocalDebugSymbols>false</DCC_LocalDebugSymbols>
+			<DCC_Define>RELEASE;$(DCC_Define)</DCC_Define>
+			<DCC_SymbolReferenceInfo>0</DCC_SymbolReferenceInfo>
+			<DCC_DebugInformation>false</DCC_DebugInformation>
+		</PropertyGroup>
+		<PropertyGroup Condition="'$(Cfg_2_Win32)'!=''">
+			<DCC_ExeOutput>bin\win32</DCC_ExeOutput>
+			<VerInfo_IncludeVerInfo>true</VerInfo_IncludeVerInfo>
+			<Manifest_File>$(BDS)\bin\default_app.manifest</Manifest_File>
+			<VerInfo_Locale>1033</VerInfo_Locale>
+			<DCC_DcuOutput>lib\win32</DCC_DcuOutput>
+		</PropertyGroup>
+		<ItemGroup>
+			<DelphiCompile Include="$(MainSource)">
+				<MainSource>MainSource</MainSource>
+			</DelphiCompile>
+			<DCCReference Include="MainFrm.pas">
+				<Form>MainForm</Form>
+			</DCCReference>
+			<DCCReference Include="..\Lua.API.pas"/>
+			<DCCReference Include="..\Lua.pas"/>
+			<BuildConfiguration Include="Release">
+				<Key>Cfg_2</Key>
+				<CfgParent>Base</CfgParent>
+			</BuildConfiguration>
+			<BuildConfiguration Include="Base">
+				<Key>Base</Key>
+			</BuildConfiguration>
+			<BuildConfiguration Include="Debug">
+				<Key>Cfg_1</Key>
+				<CfgParent>Base</CfgParent>
+			</BuildConfiguration>
+		</ItemGroup>
+		<ProjectExtensions>
+			<Borland.Personality>Delphi.Personality.12</Borland.Personality>
+			<Borland.ProjectType/>
+			<BorlandProject>
+				<Delphi.Personality>
+					<Source>
+						<Source Name="MainSource">DelphiLuaInteractiveTests.dpr</Source>
+					</Source>
+					<VersionInfo>
+						<VersionInfo Name="IncludeVerInfo">False</VersionInfo>
+						<VersionInfo Name="AutoIncBuild">False</VersionInfo>
+						<VersionInfo Name="MajorVer">1</VersionInfo>
+						<VersionInfo Name="MinorVer">0</VersionInfo>
+						<VersionInfo Name="Release">0</VersionInfo>
+						<VersionInfo Name="Build">0</VersionInfo>
+						<VersionInfo Name="Debug">False</VersionInfo>
+						<VersionInfo Name="PreRelease">False</VersionInfo>
+						<VersionInfo Name="Special">False</VersionInfo>
+						<VersionInfo Name="Private">False</VersionInfo>
+						<VersionInfo Name="DLL">False</VersionInfo>
+						<VersionInfo Name="Locale">1043</VersionInfo>
+						<VersionInfo Name="CodePage">1252</VersionInfo>
+					</VersionInfo>
+					<VersionInfoKeys>
+						<VersionInfoKeys Name="CompanyName"/>
+						<VersionInfoKeys Name="FileDescription"/>
+						<VersionInfoKeys Name="FileVersion">1.0.0.0</VersionInfoKeys>
+						<VersionInfoKeys Name="InternalName"/>
+						<VersionInfoKeys Name="LegalCopyright"/>
+						<VersionInfoKeys Name="LegalTrademarks"/>
+						<VersionInfoKeys Name="OriginalFilename"/>
+						<VersionInfoKeys Name="ProductName"/>
+						<VersionInfoKeys Name="ProductVersion">1.0.0.0</VersionInfoKeys>
+						<VersionInfoKeys Name="Comments"/>
+					</VersionInfoKeys>
+				</Delphi.Personality>
+				<Deployment/>
+				<Platforms>
+					<Platform value="Win64">False</Platform>
+					<Platform value="Win32">True</Platform>
+				</Platforms>
+			</BorlandProject>
+			<ProjectFileVersion>12</ProjectFileVersion>
+		</ProjectExtensions>
+		<Import Condition="Exists('$(BDS)\Bin\CodeGear.Delphi.Targets')" Project="$(BDS)\Bin\CodeGear.Delphi.Targets"/>
+		<Import Condition="Exists('$(APPDATA)\Embarcadero\$(BDSAPPDATABASEDIR)\$(PRODUCTVERSION)\UserTools.proj')" Project="$(APPDATA)\Embarcadero\$(BDSAPPDATABASEDIR)\$(PRODUCTVERSION)\UserTools.proj"/>
+	</Project>
diff --git a/InteractiveTests/DelphiLuaInteractiveTests.res b/InteractiveTests/DelphiLuaInteractiveTests.res
new file mode 100644
index 0000000..c287ee9
Binary files /dev/null and b/InteractiveTests/DelphiLuaInteractiveTests.res differ
diff --git a/InteractiveTests/MainFrm.dfm b/InteractiveTests/MainFrm.dfm
new file mode 100644
index 0000000..96c0caa
--- /dev/null
+++ b/InteractiveTests/MainFrm.dfm
@@ -0,0 +1,114 @@
+object MainForm: TMainForm
+  Left = 0
+  Top = 0
+  Caption = 'DelphiLua Interactive Test'
+  ClientHeight = 547
+  ClientWidth = 678
+  Color = clBtnFace
+  Font.Charset = DEFAULT_CHARSET
+  Font.Color = clWindowText
+  Font.Height = -11
+  Font.Name = 'Tahoma'
+  Font.Style = []
+  OldCreateOrder = False
+  Position = poDesktopCenter
+  OnDestroy = FormDestroy
+  PixelsPerInch = 96
+  TextHeight = 13
+  object PageControl: TPageControl
+    AlignWithMargins = True
+    Left = 8
+    Top = 8
+    Width = 662
+    Height = 416
+    Margins.Left = 8
+    Margins.Top = 8
+    Margins.Right = 8
+    Margins.Bottom = 8
+    ActivePage = FunctionReferenceTab
+    Align = alClient
+    TabOrder = 0
+    object FunctionReferenceTab: TTabSheet
+      Caption = 'Function reference'
+      object FunctionReferenceRichEdit: TRichEdit
+        AlignWithMargins = True
+        Left = 8
+        Top = 49
+        Width = 638
+        Height = 331
+        Margins.Left = 8
+        Margins.Top = 8
+        Margins.Right = 8
+        Margins.Bottom = 8
+        Align = alClient
+        Font.Charset = ANSI_CHARSET
+        Font.Color = clWindowText
+        Font.Height = -11
+        Font.Name = 'Courier New'
+        Font.Style = []
+        Lines.Strings = (
+          'function engine.onStartup()'
+          '  engine.myFunction()'
+          '  engine.display.log("Hello from display.log!")'
+          'end'
+          ''
+          ''
+          'function engine.myFunction()'
+          '  print("Hello from myFunction!")'
+          '  engine.display.log("Hello from myFunction'#39's display.log!")'
+          'end')
+        ParentFont = False
+        ScrollBars = ssBoth
+        TabOrder = 1
+      end
+      object FunctionReferenceButtonPanel: TPanel
+        Left = 0
+        Top = 0
+        Width = 654
+        Height = 41
+        Align = alTop
+        BevelOuter = bvNone
+        TabOrder = 0
+        object FunctionReferenceGetButton: TButton
+          Left = 8
+          Top = 13
+          Width = 121
+          Height = 25
+          Caption = 'Lookup functions'
+          TabOrder = 0
+          OnClick = FunctionReferenceGetButtonClick
+        end
+        object FunctionReferenceCallStartupButton: TButton
+          Left = 135
+          Top = 13
+          Width = 121
+          Height = 25
+          Caption = 'Call onStartup'
+          TabOrder = 1
+          OnClick = FunctionReferenceCallStartupButtonClick
+        end
+      end
+    end
+  end
+  object LogRichEdit: TRichEdit
+    AlignWithMargins = True
+    Left = 8
+    Top = 432
+    Width = 662
+    Height = 107
+    Margins.Left = 8
+    Margins.Top = 0
+    Margins.Right = 8
+    Margins.Bottom = 8
+    Align = alBottom
+    Font.Charset = ANSI_CHARSET
+    Font.Color = clWindowText
+    Font.Height = -11
+    Font.Name = 'Tahoma'
+    Font.Style = []
+    ParentFont = False
+    ReadOnly = True
+    ScrollBars = ssVertical
+    TabOrder = 1
+  end
+end
diff --git a/InteractiveTests/MainFrm.pas b/InteractiveTests/MainFrm.pas
new file mode 100644
index 0000000..c86882c
--- /dev/null
+++ b/InteractiveTests/MainFrm.pas
@@ -0,0 +1,128 @@
+unit MainFrm;
+
+interface
+uses
+  System.Classes,
+  Vcl.ComCtrls,
+  Vcl.Controls,
+  Vcl.ExtCtrls,
+  Vcl.Forms,
+  Vcl.StdCtrls,
+
+  Lua;
+
+
+type
+  TMainForm = class(TForm)
+    PageControl: TPageControl;
+    FunctionReferenceTab: TTabSheet;
+    FunctionReferenceRichEdit: TRichEdit;
+    LogRichEdit: TRichEdit;
+    FunctionReferenceButtonPanel: TPanel;
+    FunctionReferenceGetButton: TButton;
+    FunctionReferenceCallStartupButton: TButton;
+
+    procedure FormDestroy(Sender: TObject);
+    procedure FunctionReferenceGetButtonClick(Sender: TObject);
+    procedure FunctionReferenceCallStartupButtonClick(Sender: TObject);
+  private
+    FFunctionReferenceLua: TLua;
+    FFunctionReferenceEngine: ILuaTable;
+    FFunctionReferenceEngineDisplay: ILuaTable;
+    FFunctionReferenceStartup: ILuaFunction;
+
+    procedure CreateLua(var ALua: TLua; ACode: TStrings);
+
+    procedure Log(const AMessage: string);
+    procedure Print(AContext: ILuaContext);
+  end;
+
+
+implementation
+uses
+  System.SysUtils;
+
+
+{$R *.dfm}
+
+{ TMainForm }
+procedure TMainForm.FormDestroy(Sender: TObject);
+begin
+  FFunctionReferenceEngineDisplay := nil;
+  FFunctionReferenceEngine := nil;
+  FFunctionReferenceStartup := nil;
+  FreeAndNil(FFunctionReferenceLua);
+end;
+
+
+procedure TMainForm.FunctionReferenceGetButtonClick(Sender: TObject);
+begin
+  try
+    CreateLua(FFunctionReferenceLua, FunctionReferenceRichEdit.Lines);
+
+    Log('Initializing global variable "engine"...');
+    FFunctionReferenceEngineDisplay := TLuaTable.Create;
+    FFunctionReferenceEngineDisplay.SetValue('log',
+      procedure(Context: ILuaContext)
+      begin
+        Log(Context.Parameters.ToString);
+      end);
+
+    FFunctionReferenceEngine := TLuaTable.Create;
+    FFunctionReferenceEngine.SetValue('display', FFunctionReferenceEngineDisplay);
+
+    FFunctionReferenceLua.SetGlobalVariable('engine', FFunctionReferenceEngine);
+
+    Log('Running code...');
+    FFunctionReferenceLua.Run;
+
+    Log('Reading back global variable "engine"...');
+    FFunctionReferenceEngine := FFunctionReferenceLua.GetGlobalVariable('engine').AsTable;
+
+    Log('Reading engine.onStartup...');
+    FFunctionReferenceStartup := FFunctionReferenceEngine.GetValue('onStartup').AsFunction;
+    if not Assigned(FFunctionReferenceStartup) then
+    begin
+      Log('Error: onStartup not found!');
+      Exit;
+    end;
+
+    Log('Done.');
+  except
+    on E:Exception do
+      Log(E.ClassName + ': ' + E.Message);
+  end;
+end;
+
+
+procedure TMainForm.FunctionReferenceCallStartupButtonClick(Sender: TObject);
+begin
+  FFunctionReferenceStartup.Call();
+end;
+
+
+procedure TMainForm.CreateLua(var ALua: TLua; ACode: TStrings);
+begin
+  FreeAndNil(ALua);
+  Log('Loading Lua code...');
+
+  ALua := TLua.Create;
+  ALua.RegisterFunction('print', Print);
+
+  ALua.LoadFromString(ACode.Text, False);
+end;
+
+
+procedure TMainForm.Log(const AMessage: string);
+begin
+  LogRichEdit.Lines.Add(AMessage);
+  LogRichEdit.SelStart := MaxInt;
+end;
+
+
+procedure TMainForm.Print(AContext: ILuaContext);
+begin
+  Log(AContext.Parameters.ToString);
+end;
+
+end.
diff --git a/UnitTests/.gitignore b/UnitTests/.gitignore
deleted file mode 100644
index 9898608..0000000
--- a/UnitTests/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-*.local
-*.identcache