Fix field name consistency

exporting setTransform method for module. (purescript-web#54)

adding missing setTransform method (purescript-web#52)

Add an `Eq` instance for `LineCap` (purescript-web#48)

Update README.md

Few more fixes for 1.0

Merge pull request purescript-web#34 from rgrempel/set-line-join

Implement setLineJoin

Merge pull request purescript-web#33 from igagen/global-alpha

Fix setGlobalAlpha

Merge pull request purescript-web#32 from igagen/patterns

Add Blend Modes and Canonical Show instances for Enumerations