Upgrade to release 2.2.4:
- add support to Constant to retrieve members by value
- add pickle/deepcopy support to Constant
- add support for Constant to use other Constant values
- AutoNumber and auto() now work together
- Enum members are now added to the class as enum_property, which
supports unshadowing of parent class attributes when called on
an Enum member
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Acked-by: Trevor Gamblin <trevor.gamblin@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
