Added script support for wxDateTime values:

- added ScriptDateTime type
 - added to_date function
 - added date formating support to to_string.
 - documented all of the above.

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@1348 0fc631ac-6414-0410-93d0-97cfa31319b6

src/script/value.hpp

@@ -32,6 +32,7 @@ enum ScriptType
 ,	SCRIPT_OBJECT // Only ScriptObject
 ,	SCRIPT_COLLECTION
 ,	SCRIPT_REGEX
+,	SCRIPT_DATETIME
 ,	SCRIPT_ITERATOR
 ,	SCRIPT_DUMMY
 ,	SCRIPT_ERROR
@@ -67,6 +68,8 @@ class ScriptValue : public IntrusivePtrBaseWithDelete {
 	virtual operator bool()   const;
 	/// Convert this value to a color
 	virtual operator AColor() const;
+	/// Convert this value to a wxDateTime
+	virtual operator wxDateTime() const;
 	
 	/// Script code to generate this value
 	virtual String toCode() const;