Fixed and added test for Find Identifier
DefinitionTable added

Signed-off-by: 9drashijin <9drashijin@live.com>
Documentation for all the function is added

Signed-off-by: 9drashijin <9drashijin@live.com>
definition Add and Definition Find

Signed-off-by: 9drashijin <9drashijin@live.com>