added chunk function and tests to arraybuffers
data channels now deal with arraybuffers correctly, and chunk using arraybuffers chunking
removed prepublish as it breaks travis
Merge branch 'iislucas-array_buffer_chunk' into iislucas-datachannelfix
updated package
trying to make travis happier
Merge pull request #51 from uProxy/iislucas-datachannelfix

Fixes handling of ArrayBuffers in send over data channels
simplified/cleanedup sample app
added typescript so that sourcemaps work in lib files; fixed chat so messages are handled in both directions
Merge pull request #50 from uProxy/iislucas-array_buffer_chunk

added chunk function; tests to arraybuffers; and includes #51 (fixes datachannels to work with arraybuffers)