fix missing 'cid:' in SwaTypeConverter
extract common code used in client/server
Add readme files
Fix doc comment
Updated composer.json
Merge branch 'readmes' of https://github.com/aschamberger/BeSimpleSoap into aschamberger-readmes
Fixed version besimple/soap-* version in README's
Merge branch 'wsse' of https://github.com/aschamberger/BeSimpleSoap into aschamberger-wsse

Conflicts:
	.travis.yml
	src/BeSimple/SoapServer/SoapRequest.php