v0.2.0: fix issue #2, minor functional improvements

This is a minor release that fixes issue #2, adds a few checks, and fixes a common problem when exceptions are raised. Since exception behavior changes, this is not a v0.1.1 release, so using v0.2.0.

What's Changed

• Fix data folder selection by @terrillmoore in #3

Full Changelog: v0.1.0...v0.2.0

v0.1.0: first release

First publication. Works with V3, not really tested with V2.