Transfer ownership to docopt organization
Fix #2 avoid java.lang.IllegalStateException in doParse.
Improve Javadoc
Merge pull request #1
Merge pull request #2

Merged from https://github.com/lpar/docopt.java/tree/bug-2
Merge pull request #2

Merged from https://github.com/lpar/docopt.java/tree/bug-2

Fixes an error calculating the set difference while processing the
options shortcut.
Merge remote-tracking branch 'upstream/master'