New release for PureScript 0.12 using Effect and Web-DOM

• Ensure that appendText only appends text, not HTML.
• Add unsafeAppendHtml which uses the old behavior.

(@i-am-tom)

Fix implementations of getPageX and getPageY (@dgendill)

Add getAttr (@ricksanchez)

Add off function (@rizary)

Updates for 0.11 compiler

• Updates for 1.0 core libraries and 0.9.1 compiler. This library will not work with compiler versions < 0.9.1.
• Don't return JQuery from actions any more, unless creating a new element.

Fix on (@Filib)

Update dependencies.

This release works with versions 0.7.* of the PureScript compiler. It will not work with older versions. If you are using an older version, you should require an older, compatible version of this library.