fixed comment (2),(4),(5),(7)
fixed comment (6),(8)(besides (+),(9) and (12)) #20
fixed comment(73),(74),(76),(77),(78),(79),(80),(81) and (82) #8
fixed comment (9)(besides (+), (10), (12) and (13) #7)
Merge pull request #43 from terasolunaorg/issues/7

Issues/7