Big fix for built-in objects: tostring, tonumber, within new or not, diff with native type...
add static properties to Number
handle holes in array prototype functions with callbacks
fix this in callback functions of array prototype functions (some, every, map, reduce, filter, forEach)
improve output of runTests.sh
error when Object.keys is called on non object
fix return of Number constructor when called on a non parseable string
valueOf Boolean, Number, String
rename coreObjects.toString to coreObjects.defaultValue (cf ES5)
multiple micro enhancement