add newline in copyright
log stuff
added avg line in diffbar
Merge pull request #11 from sDessens/diffbar-line

Diffbar line
added bar chart to readme
Added stacktrade to main exception handlers.
Fixes an division by zero error at Bter that occurs when the average price of a market is determined at zero.
Fix various errors in BTC-e implementation (was this never tested?)
Merge pull request #16 from sDessens/bugfixes

Bugfixes
Merge pull request #17 from sDessens/testing

Merge pull request #11 from sDessens/diffbar-line
merged master into mintpal and fixed conflict