Added ParrserDebug Statement, this could be depended on another cf-promises flag, but for now it is -d
Updated Markdown README

Spelling fixes, reorganization with Hello World example.
Merge pull request #496 from sigurdteigen/master

Markdown README
Rename README -> README.md
Merge pull request #497 from basvandervlies/ParserDebug

Added ParrserDebug Statement, this could be depended on another cf-promises flag
Update makefiles for README rename
Add explicit semantic check for empty variable reference in promiser, unit test
Merge pull request #498 from basvandervlies/master

bundle id check + better error reporting
added body_type check. for now all id's are accepted