Inital import of project.
Few readme tweaks.
Added travis ci file.
README tweak.
Travis build status in README
README tweak.
Added an example.
Tidy up.
Working on a rewrite at the moment.
Complete rewrite to be more JS like.
Added some more documentation to code.
Tweaked test task.
Updated README and resolved some lint warnings.
Changed md5 header name to match RFC.
New release.
Added optional callback for canonical string and debug flag.
Released new version.
Added validation of the key/secret, this now raises an error when not supplied.
API changes and added server side validation of hmac signatures.
Fix for #2 and #3 with some code tidy and new tests.