Prepare v6.0.0 release (1st PS 0.15.0-compatible release) (#54)

* Update the bower dependencies

* Update the changelog

Prepare v5.0.0 release (#43)

* Update CI to build with the latest version of the compiler

* Update the bower repository URL to match the URL in the registry

* Upgrade bower dependencies

* Update the changelog

Merge pull request #23 from srghma/patch-1

add Show instance to the NodeType

Merge pull request #25 from purescript-web/use-ps-npm-dependency

Use NPM dependency for PureScript compiler

Merge pull request #13 from alextes/fix-mutation-observer

Fix type of mutationObserver

Merge pull request #16 from alextes/add-classlist

Add classList to get DOMTokenList for Element

Merge pull request #10 from bbarker/nodeValue_maybe

fixes #9 : nodeValue should return Effect (Maybe String)

Merge pull request #5 from purescript-web/bump-events

Bump for purescript-web-events

Update .gitignore