Merge pull request #16 from pmjones/develop-2

start rewriting readme, with attendant changes
Merge pull request #17 from pmjones/develop-2

finish first pass at updated README
Add license and package defnition
Merge pull request #18 from harikt/licence

Add license and package defnition
Fixes #21 . Thank you for reporting the issue
Merge pull request #22 from harikt/csrf

Fixes #21 . Thank you for reporting the issue
move away from references; they seem to screw up propagation