improve documentation and fix spelling errors
use JSON capitalization consistently
SpecTransform -> SpecDriven in readme
Merge pull request #72 from norbertpotocki/small-improvements

Small improvements
README typo fix
Merge pull request #75 from bvtreyperry/master

README typo fix
Merge pull request #69 from norbertpotocki/documentation

Documentation improvements
Cleanup Chainr's internal data model with respect to Transforms.
Merge pull request #76 from milosimpson/sanrChainr

Cleanup Chainr's internal data model with respect to Transforms.