Bots now have mutexes, made handlers thread-safe
plants fights zombies
Made plants faster, added dumb linked list to keep track of entities
Reworked bots into new dir, fixed client.c small bug.
Merge pull request #44 from NosotrosNueces/faster-plants

v0.2 Proper sample bot implementation
Add a target for formatting code
Ran 'make format' on all source files
use value_at instead of blind dereference
Merge pull request #45 from NosotrosNueces/format

Standardise formatting
Merge branch 'dereference-fix'

* dereference-fix:
  use value_at instead of blind dereference

Conflicts:
	src/marshal.c
Modified bot naming and conventions. Added echo bot (sample_slave).