Update particle emitter defaults
Finished timer tests
Fix 'extend' functionality and added tests
Added access to super methods
Closes #149 Reorganized start workflow, Fixed bug in sprites where they bomb, Added test for actor.kill()
Merge master
Merge pull request #157 from eonarheim/dev-erik

Particle Updates, Timer Tests, "extend' functionality fixed and tested, Fixed bugs
Merge branch 'master'