Fixing browser tests
Merge pull request #18 from vladikoff/test-updates

Fixing browser tests
implementing HKDF using sjcl. Closes #11
Merge pull request #19 from vladikoff/hkdf-sjcl

implementing HKDF using sjcl. Closes #11
rename
small cleanup/renaming
Addinng Sinon.js mocks
Merge pull request #21 from vladikoff/sinon

Addinng Sinon.js mocks