added ability to disable pony body, and call doblonibble with a parameter to make it the size up that theoretically fits in the inside of the bottom nibble
made bottom nibble slightly smaller, and added nibble(extra=true) which creates a top nibble that fits into the bottom nibble.
Added early robot model, also vendor battery pack and support for blocks with rounded edges
1st mods to robot
adding changes to curve,test curve blocks in to-be-integrated, vendor library for write