- Fixed bug where options with a default of None were not returning None when the option was unset in the configuration sources.
1.0.0
- Fixed bug in evaluation of precedence when an option is defined in more than one source. - Fixed bug in defaults where a default of `False` would not be returned. - Convert to MIT license.
0.3
- Added `default` argument to Option. Now Options can be declared with a default value to be returned if the option value is not found in any configuration source.
0.2
- Duplicate option exceptions are only thrown when the second declaration is not different from the first.