Defensive copying of config objects passed to pubic API
Defensive copying of config objects passed to pubic API

matthewbauer/builder,robwormald/builder,systemjs/builder,tonytanger/builder,whitneyit/builder,synaptek/builder,systemjs/builder,synaptek/builder,jrauschenbusch/builder,lookfirst/builder,Munter/builder,lookfirst/builder,alexisvincent/builder,jrauschenbusch/builder,jrauschenbusch/builder,Munter/builder,alexisvincent/builder,alexandr2110pro/builder,buddhike/builder,alexisvincent/builder,buddhike/builder,tonytanger/builder,whitneyit/builder,robwormald/builder,Psvensso/builder,douglasduteil/builder,douglasduteil/builder,JeroenVinke/builder,ahmedshuhel/builder,matthewbauer/builder,richardTowers/builder,systemjs/builder,alexandr2110pro/builder,richardTowers/builder,JeroenVinke/builder,ahmedshuhel/builder,Psvensso/builder