Bump version

Overview of changes:

 *  Replaced 'vars' key with 'tokens'
 *  Improved version bumping (won't destroy spaces around '=')
 *  Improved robustness of token replacing
 *  Enabled more tokens on single line
 *  Added tokens: __MKIT_PROJ_VCS_BROWSER__ __MKIT_PROJ_MAINTAINER__ and
    __MKIT_PROJ_GIT_LASTHASH__
 *  Code maintenance and cleanup

mkit.ini

 
 [project]
 
-    version = 0.0.12
+    version = 0.0.13
     codename    = wilderness
     name        = MKit
     tagline     = Simple install helper