Added in some more error codes to Cellpad functions
Fixed 'Assign_changes' usage for cellpad / padhandler
Add in cellPadGetCapabilityInfo function
Implemented more cellPad functions, fixed some cellpad error returns
Added pressure support for keys, redid analog 'key' stick support
Initial cellPadClearBuf functionality
Revert comment out of cellPadGetCapabilityInfo in funcList
Fix pad handler for digital buttons
Removed unneccessary commented analog stick code
Merge pull request #219 from jarveson/cellPad_fixes

Cell pad fixes