Merge pull request #6 from Keithbsmiley/master

Update vim version check
1. fix matchaddpos args. 2. new function: highlighting define token
optimize the python load
new CursorDefRef highlight function
RE based cursor highlighting has been deprecated, now is clang based
do not highlight call reference, it is too annoying
treat member as decl
fix corner case bug
fix bug of macro highligh
support macro def/ref highlighting
fix wrong ref hilighting, add priority in matchaddpos
better management for clang objects
fix buffer variable
Merge branch 'master' of https://github.com/bbchung/clighter

Conflicts:
	autoload/clighter.vim
	misc/clighter.py
fix merge
fix hl cursor define is not in same file
clean up code