Allow minItems 0 to work for tabarray and array components
Solve problems when exposing global. Fix also problems when extending templates and components.
Solve problems when exposing global. Fix also problems when extending templates and components.
Fix problems with tabarray and minItems
Fix conflict
Fix more problems with minItems 0
Merge pull request #3 from globocom/master

Allow minItems 0 to work for tabarray and array components