Added support for variables.
Code cleanup: changed all usages of this to _this in methods.
Code cleanup: Changed all single quotations to double.
Added support for statistic functions.
Replaced perfmon module with own implementation.
Better handling for groups with no counters.
Added support for lists.
Closes #2 Display app pool name for w3wp processes.
Changed package name to monjs.
Closes #1 Added support for list stats.
Fixed #8 A new DataSource is now created for each server request.
Added support for supplying variables from the command line.