Remove unnecessary `to_s` method
Rename pattern -> pattern_generator, bump verion to 1.2.2
Extarct pattern generation into individual classes
Updates to the README
Fix .erb whitespace issue in README
Verion bump to 1.3.0, allow use of Strings for generator names
Fix deprecation warning
Sanitize deprecation notice for safe SVG outputting
Correct checking of provided BasePattern classes
DiamondsPattern -> DiamondPattern
Merge pull request #34 from ttaylorr/refactor-renderers

Refactor renderers