Code was too big for unos..

Have chopped a little here and there. Hm.
Reducing String use, and removed checksum
Man this is running!

Added corresponding termination char in the controller. That is so
stupid.
It's big, but it loads, and it runs on the board.

HA HA!
That's all good.
Few tidies
Merge pull request #1 from euphy/devel

Devel
Updated hexes
Repaired multi-param commands.

fixes #2. This is further stuff surrounding the switch to char-arrays
rather than strings.
Merge remote-tracking branch 'upstream/master'