Merge pull request #8 from FieldVal/develop

Added view and edit modes to ChoiceField
Merge pull request #9 from FieldVal/develop

ChoiceField rewritten to improve functionality and customization
Merge pull request #10 from FieldVal/develop

Prevented on_change callback firing on setting value for ChoiceField
Merge pull request #11 from FieldVal/develop

Removed setting of fixed widths in ChoiceField elements
Merge pull request #13 from FieldVal/develop

Added placeholder to ChoiceField
Merge pull request #15 from FieldVal/develop

CSS fixes
Merge branch 'master' into develop