Fixed not implemented exception in HTMLTexture node when sending a mouse click event to it.

Also fixed the HTMLTexture (String) version not following clicked links.
Fixed Unzip (String) node not updating its output when changing the count pin.

Fixes #696
Elias updated the node in order to create its Enum on startup.
Merge branch 'develop' of https://github.com/vvvv/vvvv-sdk into rs232Enum
added EnumEntries2String node
Merge branch 'develop' of https://github.com/vvvv/vvvv-sdk into Blaupause
Merge pull request #227 from antongit/rs232Enum

RS232 Enum
Merge branch 'develop' of https://github.com/vvvv/vvvv-sdk into Blaupause
Update