lib.Template() now returns a function
remove template.math() from readme
update readme
fix Array.contains, del DOM4 methods

 fix: Array.contains() for non-Array objects
 del: .prepend(), .append(), .before(), .after() and .replace() methods
excluded from the W3C DOM 4 editor's draft
https://github.com/w3c/dom/commit/87000ba632e83f40a2384a4a15f3b913ef1676
53
build 0.7.0
Merge branch 'next'