Update changelog
Produce valid scale() syntax by avoiding trailing comma.
Merge pull request #114 from bak/fix_scale

Produce valid scale() syntax by avoiding trailing comma.
Revert "Produce valid scale() syntax by avoiding trailing comma."

This reverts commit 15c473807cea8b4a7611d2b71b7631b91e17ac4f.
Removed trailing comma in scale()
Merge pull request #129 from calvintam/master

Removed trailing comma in scale()
Demonstration page error: "Login" should be "Log in"
Merge remote-tracking branch 'origin/master' into gh-pages