GROOVY-5968: Show only parts of bytecode
GROOVY-5980: Finally executes twice on NPE while casting method result
Merge pull request #138 from andresteingress/GROOVY-5968

GROOVY-5968: Show only parts of bytecode
Merge pull request #139 from andresteingress/GROOVY-5980

GROOVY-5980: Finally executes twice on NPE while casting method result
Fix unit test for JDK1.5 build