Merge pull request #118 from martinhanzik/master

Fixed missing quotes in nl_NL.json
More translating
Renamed a variable and added a Noftify method to LevelEditor
Fix for movement in Esc
Option to use arrows and enter to control the controls menu
Changed getAllFilters() to getAllOfAFile() which can use custom
extenstions
FloatFields now increment by 0.1 instead of 1.0
Added more "modifier" for Float and Int Fields in filters
Quick-fix for IntField incrementing
Added safeguard in-case a increment is a float when being used with a
IntField
Added a safeguard for FloatFields
Started documenting directories.py
A little documentation for mceutils
Documented release.py
Documented scoreboard.py and version_utils.py
Added language dropdown, fixed nl_NL missing quotes and commas