Fixed JSDoc in #data.
Fixed error message in #hasAttrib.
Modified behaviour of #removeChild.
Updated API.md and QUnit tests.
If a wrapped element to remove given, now the same instance is returned.
The old behaviour was to return a newly create wrapped element.
Added method simpleQuery#fromHtml, updated API.md and QUnit tests.
Changed style of divider comments.
Added method simpleQuery#remove, updated API.md and QUnit tests.
Raised version number to 2.8
Added wrapped element methods #left / #top.
Updated API.md, added QUnit tests.
Added wrapped element method #dimension.
Updated API.md, added QUnit tests.
Raised version number to 2.9