Merge pull request #31 from jmatsu/bump

Bump up version to 0.5.1

Merge pull request #29 from jmatsu/bumpup_version2

Bump up version to 0.5.0

Merge pull request #27 from jmatsu/bumpup_version

Bump up version to 0.4.4

Merge pull request #25 from jmatsu/bumpup_to_043

Bump up version to 0.4.3

Merge pull request #23 from jmatsu/bumpup_042

Bump up version to 0.4.2

Merge pull request #20 from jmatsu/v041

Bump up version to 0.4.1

Merge pull request #18 from jmatsu/bump_up_to_0_4_0

Bump up to 0.4.0

Bump up version to 0.4.0-1

Merge pull request #13 from jmatsu/bump_up_031

Bump up version to 0.3.1

Merge pull request #10 from jmatsu/bump_up_version_030

Bumped up version to 0.3.0