Release 0.3.0 Windows PowerShell compatibility

Author: darianmiller

source/delphi-dccbuild.ps1

@@ -131,7 +131,7 @@ $ExitRootDirError     = 3
 $ExitProjectNotFound  = 4
 $ExitBuildFailed      = 5
 
-$script:Version = '0.2.0'
+$script:Version = '0.3.0'
 
 # Platform -> DCC compiler base-name map.
 # Mirrors the CompilerMap in delphi-inspect.ps1; kept local so this script