prepared dev branch for 0.4.2
Prevents getSelected to return undefined
Fixes #87
Focus and key press events in an input field will no longer cause the field's contents to get overwritten with an incorrect date
Fixed makefile outputting the incorrect byte count for gzipped minified standalone.
Updated changelong
When calling setSelected with the optional redraw, set the viewStartDate to the first selected date

Merges Pull Request #85
Merge branch 'dev' into fix-next-previous-bug