Merge pull request #2 from akfidjeland/master

Bugfix: 'combine' uses incorrect label list
Now using pprint for log strings.
Return the levels as part of the main table

This allows for user-specified formatters to use those levels,
the same way that default_formatter() does. Developped jointly with
@koraykv
Combined loggers now can log more than just a string

"Combined" loggers were only propagating the first argument of their call
to their subloggers. This pull-request fixes it.
Merge pull request #7 from jucor/fixCombine

Combined loggers now can log more than just a string
Merge pull request #6 from jucor/return_levels

Return the levels as part of the main table
Replaced deprecated 'sys' function with 'paths' function