Jason Webster 9d0cd25897 Do not colorize output destined for configured logger
This changes the predicate supplied to the #colorize method to ensure
that if a logger is set, the colorizing ANSI escape codes are not applied.

This definitely appears to have been the intention behind the original
implementation, but the tests didn't reflect how .log_internal was
actually called. In reality, it is always supplied with an `out:`
argument, not nil. This caused all logger bound output to also be
colorized.
2018-07-19 12:28:28 -04:00
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