corrects event filtering for message display in status bar
Merge pull request #54 from kamalpreetgrewal/master

corrects event filtering for message display in status bar
updates packages to be installed
Merge pull request #58 from kamalpreetgrewal/master

updates packages to be installed
corrects the coordinates displayed in undostack
Merge pull request #61 from kamalpreetgrewal/master

corrects the coordinates displayed in undostack
MultiLine Text added and other error corrections
Merge pull request #64 from ChanKaur/chankaur

MultiLine Text added and other error corrections
switching to qgraphicsitem and qgraphicslineitem classes and correcting bounding rectangle of line
Merge pull request #65 from kamalpreetgrewal/master

switching to qgraphicsitem and qgraphicslineitem classes and correction of line's bounding rect