Fixing trade loggin error, pass number of bitcoins trying to trade
rather than current btc balance

Signed-off-by: Dsyko <dsykora@gmail.com>
Fixing errors with adding new price info to Pandas Series

Signed-off-by: Dsyko <dsykora@gmail.com>
Testing exponentialy weighted averaging

Signed-off-by: Dsyko <dsykora@gmail.com>