Bug fix

Throw error if addLegend is called before control is added to the map.

Add support for disabling visibility controls

v0.3.3

Merge branch 'master' of github.com:consbio/Leaflet.HtmlLegend

v0.3.2

Add removeLegend: this method removes the given entry from an instance

v0.3.1

Add support for custom opacity handler

v0.2.3

• Add addLegend
  • A new method to add legends to existing instances of HtmlLegend

Version 0.2.2

Use this_.map.on() to avoid undefined object error

Version 0.2.1

• Add collapsedOnInit to options
  • A new option that allows users to initialize an instance in expanded or collapsed mode.