`TCustomInstaller`
pt		Log
pt		CreatePackages
pt		FreePackages
pt		GetPackages
pt		CheckPackages
pt		CreateBuildEngine
pt		Error
pt		AnalyzeOptions
pt		Usage
pt		Compile
pt		Clean
pt		Install
pt		UnInstall
pt		ZipInstall
pt		Archive
pt		Manifest
pt		PkgList
pt		FPDocProject
pt		Info
pt		AddAutoPackageVariantsToPackage
		Create
		destroy
		AddPackage
		AddPackageVariant
		Run