Fixes build.

Merge pull request #44 from paulcuth/dev

v0.3.3

Merge pull request #43 from paulcuth/dev

v0.3.2

Merge pull request #42 from paulcuth/dev

Fixes issue with return statements in do blocks being ignored.

Merge pull request #41 from paulcuth/dev

v0.3.0

Merge pull request #40 from paulcuth/dev

v0.2.2

Merge pull request #35 from paulcuth/dev

v0.2.1

Merge pull request #29 from paulcuth/dev

v0.2.0

Merge branch 'dev'

Merge pull request #22 from paulcuth/dev

v0.1.7