Addresses all of the comments in #190 the following ways:
All potential throw errors are contained in the parsing method with appropriate handling/messaging
Wrap path to APK file in quotes so no error is thrown for paths with spaces
Updated documentation so publishers know to point at a directory containing AAPT2. We have seen some publishers pointing at tools that don't have it, so we'll make sure they provide an accurate path containing it.
Addresses all of the comments in #190 the following ways: