Fix file:// support with font loading

Fixes regression in c7a27bf #94 since cc209e7 #49.
Merge pull request #95 from skeggse/patch-1

Fix file:// support with font loading
Bugfix: Wrong object in postFilter used.
Bump version 0.6.4
Change RegExp for parameter values to handle all chars.
Merge branch 'master' of https://github.com/apidoc/apidoc