adding support for adding/removing from library search paths
fixed failing tests and added test for adding/removing from lib search paths.
fix for #11
docs for updating grammar
Forgot to add the librarysearchpaths test file..
Merge pull request #12 from filmaj/master

Forgot library search path tests
start of compiler flag support.
0.6.1
allow periods in unquoted property names

fixes #16
handle "$(inherited)" library search paths value

fixes #15
Adding add/removeToHeaderSearchPath