Fixes for ignoring files and dirs.

-Added code for ignoring dirs. Issue #45
-Fixed wildcards for ignoring files
-Changed preference variables names to fit what they are for
Update changelog.txt
Changed preference variable names to fit what they are for.

Changed preference variable names to fit what they are for.
Update changelog.txt
New URL
Merge pull request #46 from srazer/master

Fixes for ignoring files and dirs.