Can now nest ECs and hence use them for elements of layouts
Various tweaks and improvments to the monadic API
Exported setColors from Easy
Fixed existing wiki examples, and added a monadic version of each
Upgraded cabal files to version 1.3
Marked Simple functions as deprecated, and removed tests for Simple
Fixed doco for toFile functions
Updated copyright messages
Add `toWindow` method to Gtk backend for easy plotting

Similar to the `goFile` method for the cairo backend
Merge pull request #49 from bryce-anderson/topic/toWindow

Add `toWindow` method to Gtk backend for easy on screen plotting
Minor fix to wiki example 1
Updated lens constraints to allow version 4.4.*
Upgraded cabal files to version 1.3.1
Add ToRenderable instance for StackedLayouts type
Fix slow performance with large valued Integral axes
Merge pull request #51 from bryce-anderson/topic/StackedToRenderable

Add ToRenderable instance for StackedLayouts type
LocalTime: time-1.5.0 compatibility
Merge pull request #57 from bgamari/master

Axis.LocalTime: time-1.5.0 compatibility
Added an unregister target to the Makefile
Fixed the points function in Easy so that it correctly sets the border style