Fix examples in docs and update for recent work.
Fix examples in docs and update for recent work.

Closes #105.

flojdek/blpapi-http,bloomberg/blpapi-http,flojdek/blpapi-http,flojdek/blpapi-http,bloomberg/blpapi-http,bloomberg/blpapi-http,flojdek/blpapi-http,fyquah95/blpapi-http,fyquah95/blpapi-http,flojdek/blpapi-http,fyquah95/blpapi-http