started work on mutate.go, added SetText
fixed a bug with adding text nodes in setNodeText
fixed a bug where child elements werent being deleted correctly in setNodeText
removed leftover debugging println
added Remove() to mutate.go
added RemoveAttr
stubbed in and documented Clone and InsertBefore
wrote InsertBefore
wrote Clone, and added Node() to return the node of a singleton selection
added a return to Remove so it can be chained if need be
added SetAttr for setting attributes
bumped release version number
added SetHtml
added AppendClones
fixed double escaping bug, text nodes are already escaped by exp/html, so I didnt need to have done it
added Empty()
added Append()
Merge remote-tracking branch 'dunmatt/master'

* dunmatt/master:
  added Append()
  added Empty()
  fixed double escaping bug, text nodes are already escaped by exp/html, so I didnt need to have done it
  added AppendClones
  added SetHtml
  bumped release version number
  added SetAttr for setting attributes
  added a return to Remove so it can be chained if need be
  wrote Clone, and added Node() to return the node of a singleton selection
  wrote InsertBefore
  stubbed in and documented Clone and InsertBefore
  added RemoveAttr
  added Remove() to mutate.go
  removed leftover debugging println
  fixed a bug where child elements werent being deleted correctly in setNodeText
  fixed a bug with adding text nodes in setNodeText
  started work on mutate.go, added SetText

Conflicts:
	README.md