1. Increased project version to 0.12.0
2. Changed from snake_case identifiers to camelCase.
3. Modified `case object` 'enums' names to be scoped under their `sealed abstract` base type, rather than as top-level identifiers, and therefore renamed some.
4. Fixed inconsistent formatting.
5. Updated copyright notices to cover 2013.
6. Updated baseline '.svg' files.
7. Updated to scala 2.9.2, scalatest_2.9.2 version 1.9.2, and junit 4.11.
1. Removed commented out code.
1. Renamed files to match changes to (test) class names following snake_case to camelCase identifier renaming.
1. Fixed writing ancillary info to SVG format so that it would be fully deterministic.
1. Release 0.13.0
2. Migrated to scala 2.10.3
3. Updated k_k_.lib.util dependency to version 1.4.0