hand functions

you can now get specific hands from a cog actor using build_a_cog.get_(direction)_hand(actor)
@BoggTech once again provided the code for this

bumped to 0.0.4

Create ci.yml

adding ci, it might be useful

Fixing bug with posed animations

Posed animations would not work because build_a_cog looked for cog.pose_frame rather than cog.animation.pose_frame like it should

Update readme.md