Add case_wo_default and ff_dual_enable tests.
Merge branch 'x-sizer7'

Conflicts:
	regress.list
Merge branch 'master' of github.com:steveicarus/ivtest
Added tests for real type support in vhdlpp.
Added missing files.
Removed needless minus.
Merge branch 'master' of github.com:steveicarus/ivtest

Conflicts:
	regress.list
Merge branch 'master' of github.com:steveicarus/ivtest
Merge branch 'real' of https://github.com/orsonmmz/ivtest