Fixed URLField to allow strings from preprocessor
Added convenient aliases Field.pre, post and error
Added a setuptools setup.py: #2
Added @map and cleaned up the other decorators

Resolves #18
Fixed ParsingError raising to preserve traceback

Fixes #16
Added recursive parsing to StringsField

Reference #19
Merge pull request #20 from olafura/master

Added recursive parsing to StringsField
Minor refactoring of StringsField.recursive: #20
Polished README.rst
Added docstrings to document.py
Initial commit of Sphinx docs WIP: #4
GitHub doesn't support :linenos:
wip
Reorganized the doc files
Rewrote README.rst