Demonstrate usage of getVariable on the agi interface...

Modules
		starpy.fastagi logging pprint time starpy.utilapplication

Functions
		envVars(agi) Print out channel variables for display printVar(result, agi, vars) Print out the variables produced by envVars testFunction(agi) Print out known AGI variables

Data
		reactor = <twisted.internet.selectreactor.SelectReactor instance>