fix browser bugs
fix #196
Merge pull request #197 from mangix/master

fix browser bugs
make user send xml string directly instead of ltx object
Merged #200, added tests, cleaned up formatting
Update CHANGELOG.md for next version
0.10.7
0.10.8
Merge branch 'master' of github.com:node-xmpp/node-xmpp

Conflicts:
	lib/node-xmpp-browserify.js
	lib/xmpp/session.js
	lib/xmpp/websockets.js
	package.json
	test/tcp-test.js