modified:   lib/ruby-processing/helpers/numeric.rb
	modified:   lib/ruby-processing/helpers/string.rb
	modified:   lib/ruby-processing/runners/base.rb
	modified:   samples/contributed/animator.rb
	modified:   samples/contributed/bezier_playground.rb
	modified:   samples/contributed/elegant_ball.rb
	modified:   samples/contributed/empathy.rb
	modified:   samples/contributed/fibonacci_sphere.rb
	modified:   samples/contributed/grapher.rb
	modified:   samples/contributed/gravity.rb
	modified:   samples/contributed/jwishy.rb
various tidy ups
ensure usage can be called
first code review
some code tidy up
split up vecmath examples
more code review stuff
Merge pull request #87 from jashkenas/code_review

Code review