Updating tasks for building with Acceleo
Bumped the version to 0.0.2 - This updates #30.
Bumped the feature version number to 0.0.2 - this updates #19.
Bumped the site version to 0.0.2 and the category as well. This updates
#19.
Added handling for 0 cardinality with a union with null. This closes
#30.