v0.9.1

ImageTransformations v0.9.1

Diff since v0.9.0

Closed issues:

• imrotate(img, pi/2) changes size of image (#145)
• Clarification of rotations (#147)

Merged pull requests:

• Use higher precision in imrotate (#148) (@timholy)
• Fix imrotate for Irrational θ (#149) (@timholy)