Improved test sand box with automatic loading on all server source files.
Improved test sand box with automatic loading on all server source files.

cschuller/yak-js,dasMulli/yak-js,cschuller/yakjs,dasMulli/yak-js,cschuller/yakjs,cschuller/yakjs,dasMulli/yak-js,cschuller/yak-js,cschuller/yak-js