Add files via upload

Improved support for xs:choice elements

Fix rendering of elements declared in annotation elements.

Added core files for version 3

Fixed some processor-specific incompatibilities

Update README.md

Fixed extensions support

Update README.md

Removed double min-/maxOccurs check

Merge pull request MichielCM#3 from timon1988/master

Bugfix: enable textarea fields just like input and select on adding a…