Merge pull request #14 from IanLee1521/master

Fixed issue (line length) with kml.py that kept pep8 test from passing.
Handle case where Document booleans (visibility,isopen) are 'true' or 'false' when
parsing from string
Merge pull request #15 from jwhelland/master

Handle case where Feature booleans are 'true' or 'false' during parsing, No need to preserve the original values if they are in violation of the specification, we may need to adjust isOpen and visibility so it defaults to the specifications default values
add jwhelland to contributors and history
add rationale to reradme
fix rst in readme
fix  readme
release version 0.7
back to development
its stable not beta