Can be used outside :development too
New Constants:
    TIME_FORMAT = "%Y-%m-%d %H:%M:%S."
    SKIP_TIME = true
    SUPER_TIME_PRECISION = 3
    SUPER_TIME_PRECISION_STOP_INDEX = SUPER_TIME_PRECISION - 1
    USE_SUPER_TIME = SUPER_TIME_PRECISION > 0

make time format optional with TIME_FORMAT;
make formatted time entirely optional with SKIP_TIME;
SUPER_TIME_PRECISION of 3 results in a timestamp like:
  2014-10-17 18:54:19.339

switch from String#+ to String#<< (speed & memory improvements)
New Constants:
    TIME_FORMAT = "%Y-%m-%d %H:%M:%S."
    SKIP_TIME = !Rails.env.development? # because heroku already prints the time, override if you use in prod and aren't on Heroku
    SUPER_TIME_PRECISION = 3
    SUPER_TIME_PRECISION_STOP_INDEX = SUPER_TIME_PRECISION - 1
    USE_SUPER_TIME = SUPER_TIME_PRECISION > 0

make time format optional with TIME_FORMAT;
make formatted time entirely optional with SKIP_TIME;
SUPER_TIME_PRECISION of 3 results in a timestamp like:
  2014-10-17 18:54:19.339

switch from String#+ to String#<< (speed & memory improvements)