[ENHANCEMENT] (Author: Andreas Jonsson) Enhance the delimiter selection(Ctrl + double click) feature.

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1074 f5eea248-9336-0410-98b8-ebc06183d4e3
[BUG_FIXED] prevent from crash in debug mode. 

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1075 f5eea248-9336-0410-98b8-ebc06183d4e3
[RELEASE] Notepad++ 6.4.2 Release.

git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1076 f5eea248-9336-0410-98b8-ebc06183d4e3