Merge branch 'release-0.4.0' into develop
Upped version for next release
Added missing documentation for audio descriptors [Issue #25]
Upped version of Unirest
Refactored queries to return separate Response objects, rather than
including results in Query object [Issue #32]
New abstract test class for paged results [Issue #32]
Modified test for pack list response [Issue #32]
Handle unexpected error responses from API [Issue #32]
Updated documentation to reflect new return type [Issue #32]
Merge branch 'develop-#32' into develop
Set version for 0.5.0 release
Merge branch 'release-0.5.0'