Merge pull request #4 from chrmoritz/master

updated OS X's config folder path
Merge pull request #5 from chrmoritz/master

fixed config folder path on os x
Log all uncaught exceptions, updated readme
oops
Added simple gui crash dialog
Added support for editing any item variants!
Added support for mods
Forgot the ui file
Main window gui tweaks
Updated screenie
Update README.md
Major updates to config module

Removed all deprecated usage of config module
New config set function
Generate default values on the fly if a setting doesn't exist (during upgrades)
Simplified the option dialog
Open player gui tweaks, added player preview icons
Initial player preview support
Minor UI tweaks
More minor ui tweaks, updated screenie
Fixed bug with missing logging module
Update README.md