Issue #78: implement method countOpenedForTableId 
Workshift process tests corrected
http://github.com/crc83/WebCash/issues/issue/78
Issue #78: implement method countOpenedForTableId 
Tests for method  implemented
http://github.com/crc83/WebCash/issues/issue/78
Issue #78: implement method countOpenedForTableId 
orderProcess updated according to new requirements
http://github.com/crc83/WebCash/issues/issue/78
Issue #78: implement method countOpenedForTableId 
Method implemented
http://github.com/crc83/WebCash/issues/issue/78