configuration file is standard ini-style.
[logger.logger_name] <-- configures a logger named "logger_name", loggers are hierarchal, with "." separating
the various components in the logger hierarchy. For example, "myapp.subsystem.component". The root logger
from which all configurations inherit, is called "default".
level=TRACE|DEBUG|INFO|WARN|ERROR <-- optional log level for this logger
appender=appender_name <-- use the appender "appender_name", may be specified multiple times
class=Some.Pike.Class <-- use the specified pike class as logger,
defaults to Tools.Logging.Log.Logger
additivity=false <-- do not use the parent configuration as a basis for this logger's configuration to override.
Defaults to "true", in which case any value not specified in the child will be sourced from the parent. If set to
true, any logger targets from the parent will also be added to the child.
enable=true/false/yes/no <-- whether the logger should generate entries
[appender.appender_name] <-- configures an appender named "appender_name"
class=Some.Pike.Class <-- use the specified pike class for appending
format=someformatstring
you may include replacements in the format to place different data according to your preferences. the format
for specifying a replacement is %{field}, available fields differ between loggers, but generally include
the following: name, level, msg, pid, host plus any of the values from localtime ().
see also the note below about configuration variables, which may be inserted into your format string (values
are inserted at configuration time, and are static thereafter).
enable=true/false/yes/no <-- whether the appender should generate entries
example: Tools.Logging.Log.FileAppender uses argument "file" to specify logging file
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