Merge pull request #11 from PabloK/master

Fix getUppermostVisibleCanvasOffset
correct typo
Merge pull request #13 from jazzido/correct-typo

Correct typo
Adjusting as per @jviereck suggestion (https://github.com/jazzido/pdfListView/commit/d5876c07bc5f71ed178bb1cfbc307667ebf5dbec#commitcomment-7359360)
Correct rotation value
Merge pull request #14 from jazzido/fix-rotation

Fix Rotation
Merge pull request #1 from jviereck/master

Wee