SYSLOG Utility with File Rotation

Simplified logging utility that can log debugging and script information to a text file.

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Simple Use
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Usage:
>> syslog('this happened now')

Writes the line:
2012_08_28_19_24_08 this happened now
to:
./syslog_2012_08_28_19.log

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Log Rotation
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Usage:
>> syslog('first hour')
>> pause(3600)
>> syslog('second hour')

Writes the line:
2012_08_28_19_24_08 first hour
to:
./syslog_2012_08_28_19.log
Then writes the line:
2012_08_28_20_24_08 second hour
to:
./syslog_2012_08_28_20.log

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Split logging to content specific files
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Usage:
>> syslog('a just doubled','a')
>> syslog('b just tripled','b')

Writes the line:
2012_08_28_20_24_08 a just doubled
to:
./a_2012_08_28_20.log
Then writes the line:
2012_08_28_20_24_08 b just tripled
to:
./b_2012_08_28_20.log