graphql/Data, branch v0.3

Rename `Data.GraphQL.Printer` -> `Data.GraphQL.Encoder`

2015-09-22T12:23:18+00:00

Fixes for ghc-7.8

2015-09-22T12:02:49+00:00

Add kitchen sink parse/encode unit test

2015-09-22T12:02:49+00:00

This also includes the fixes to make it work. Golden tests have been
removed.

Fix alias colon order

2015-09-22T09:16:36+00:00

Polish printer code

2015-09-22T09:13:09+00:00

- Add printing combinators to make code more readable.
- Optimize printing for encoding. Pretty printing will be in a different
  module.

Parser fixes:

2015-09-22T08:39:14+00:00

- Braces instead of parens for `inputValueDefinitions`.
- Rename `bool` -> `booleanValue`.
- Some code rearrangements.

Initial implementation of GraphQL pretty printer

2015-09-21T16:26:22+00:00

This just typechecks. It needs to be cleaned and tested. Tests have been
deactivated.

Introduce `Node` data type to simplify `OperationDefinition`

2015-09-21T08:05:09+00:00

Thanks to @swolchok for the suggestion.

Add errors for all parser `Alternative`s

2015-09-21T07:28:51+00:00

Handle escaped quotes for GraphQL String Values

2015-09-18T16:11:11+00:00

This also includes a new type for Value String.

The tests fail now, although it parses successfully. I'll use a pretty
printer in next commit so that it's easier to spot the differences.
Onces this is working I'll add the rest of the escaped characters.