refactoring
added initial data
fixed domain declaration
fixed exception handling
fixed connection settings
fixed async test
fixed right data
added createDCase api
refactoring
refactoring
finished simple createDCase API
refactoring
Merge pull request #2 from assureit/api_createDCase

added createDCase API
implemented node table insertion
adding commit API
added commit API
Merge pull request #3 from assureit/api_commit

added commit API