initial commit
added .gitignore
readme corrections
code cleanup
pom tweak
optimized initial area generation
more code and docs cleanup
cleanup of not used methods in Cell class
- new history recording prototype
- Cell is now immutable case class
- general solving approach is now in more FP style
promote usage of PuzzleArea only for main solving loop and LinesCache for all other iteration related things
added integration testing using scalatest+maven
added more integration tests and small tweaks to code
fix for puzzle declaration
added missed simple elimination strategy for diagonal elements - CollisionByDiagonalSingles
more integration tests
bumped version to 0.0.4-SNAPSHOT, updated readme
bumped version to 0.0.5-SNAPSHOT
updated Scala to 2.9.2
updated Junit to 4.10
removed scala-tools repository
bumped version to 0.0.6-SNAPSHOT
Code cleanup and readme update
migrate to sbt 0.13
update test for scalatest 2.0