[WO-606] Catch errors when setting oncert for the tcpsocket object
Merge pull request #12 from whiteout-io/dev/wo-606

[WO-606] Catch errors when setting oncert for the tcpsocket object
bump version
[WO-612] Implemented requireTLS option to explicitly require STARTTLS support
Merge pull request #14 from whiteout-io/dev/wo-612

[WO-612] Implemented requireTLS option to explicitly require STARTTLS support
[WO-559] use tls worker path
[WO-559] bump version
[WO-599] use proper version
[WO-559] adapt README
Merge pull request #15 from whiteout-io/dev/WO-559

Dev/wo 559
[WO-567] use btoa at runtime in browserify enviroments
Merge pull request #16 from whiteout-io/dev/WO-567

[WO-567] use btoa at runtime in browserify enviroments
[WO-594] Try to get machine hostname from the socket object if available (applies to wsShim)
Merge pull request #17 from whiteout-io/dev/wo-594

[WO-594] Try to get machine hostname from the socket object if available
bump version
[WO-634] Added 'lmtp' option to use LMTP protocol instead of SMTP for local delivery
Merge pull request #18 from whiteout-io/dev/wo-634

[WO-634] Added 'lmtp' option to use LMTP protocol instead of SMTP for local delivery
Fix: Sinon prebuilt broken in AMD usage
Remove useless sinon require shim
bump version