renamed history handler
fixed #115
Allow any SMTP server

Config entries for SMTP server, username, use SSL
Added smtp details to readme
Additions to SMTP / EMail

Allow different from/to addresses
Allow multiple recipients
Allow tls & port to be set.
More tweaks to EMail...

Set default settings to suit GMail
Correct transition directly from down to up trend

Reset duration when we go from up to down or vv
Merge pull request #135 from djmuk/localDB

Minor correction to MACD logic & email tweaks
improvements in db manager & ema method
added real advice to ircbot
added help command to ircbot
trade advice is now optional, else storing historical data
testing at mtgox