support pmd
adding assert
Merge branch 'master' of github.com:konoha-project/libzen
rename old tests
fix some codestyle to pass cobertura coverage tool
added junit-4.10.jar
added testcases
support coverage
update build.xml
rename tests
bugs fixed at assert bugs
Merge branch 'master' of github.com:konoha-project/libzen
update tests
rename testcases