Merge pull request #1 from wjt/master

Implement fetching and saving CSVs
Changed URL to Lloyds Bank rather than Lloyds TSB

They're selling TSB and have rebranded, the URLs have changed.
Added Will Thompson to copyright info and made an edit to the docs
saying it mostly works.
Skip "Mandatory Messages" when logging in.
Fixed a typical Python refactoring problem and changed % operator use to .format

Yeah I'm anal like that
Renamed to "Lloyds Banking Group Downloader"

Halifax and Bank of Scotland use the exact same ancient back-end
systems as Lloyds.

Todo: parameterize and test for HBOS systems
Made the quotes consistent

Also put a space after password entry because it was bugging me.
Change of User-Agent

For those nice folks in Group IT who may or may not be reading their log files.
Some doc updates
Try to parse errors out of error page