Merge pull request #229 from otiai10/develop

[sync master] 0.3.4.3
Merge pull request #232 from otiai10/develop

[sync master] 0.3.4.5
Merge pull request #234 from otiai10/develop

[sync master] 0.5.0.3
Merge pull request #237 from otiai10/develop

[sync master] 0.5.0.5
Merge pull request #239 from otiai10/develop

[sync master] 0.5.0.6
Merge pull request #240 from otiai10/develop

[sync master] 0.5.0.8
Merge pull request #242 from otiai10/develop

[sync master] 0.5.0.11
Merge pull request #244 from otiai10/develop

[sync master] 0.5.0.X
Merge pull request #245 from otiai10/develop

[sync master] 0.5.0.14
Merge pull request #246 from otiai10/develop

[sync master] 0.5.1.2
Merge pull request #250 from otiai10/develop

[sync master] 0.6.0.2