Bumped version to 0.2.2
Whitespace cleanup
POD tweaks
Added from_constructor configuration option
Bumped version to v0.3.0 since new features added
Explicitly say what version option was added
Fixed typo in POD
Added orig_arg option
Fixed bug with args option and documented how to disable it
Documented need for quoting args and added tests for it
Release v0.3.0