#215 - Ignoring initial values of out parameters.
#220 - added a failing spec for implicit assigning of out values
#220 - implicitly assigning out parameter values
#220 - cleanup based on insightful code review comments
Merge pull request #343 from blairconrad/220-implicitly-assign-out-parameters

215 - ignore initial value of out parameters, 220 - implicitly assign out parameters