Python v0.4.0

What's Changed

• Rjf/easier compass app interactions by @robfitzgerald in #29
• Ndr/cleanup by @nreinicke in #30
• fix error message by @robfitzgerald in #35
• list valid module names with unknown module error by @robfitzgerald in #36
• only recurse when array element is array or object by @robfitzgerald in #43
• Update output file location by @nreinicke in #37
• Rjf/traversal abstractions clone issue by @robfitzgerald in #44
• Ndr/phev by @nreinicke in #33
• Rjf/road class rtree by @robfitzgerald in #48
• Rjf/termination error by @robfitzgerald in #50
• Rjf/update dependencies by @robfitzgerald in #51

Full Changelog: py-0.3.0...py-0.4.0