Repair for forms in CP and some new features
In attachement is patch for form.py and defaultformask.py.
'''defaultformask.py''' * Repairs return type to string in hidden fields
'''form.py''' * Repair default value for size in FormField (type str) * Adds ability to set attributes in constructor to Form (all is default for backward compatibility) * Repairs missing call to header and footer. Also different header/footer can be set
Reported by Tomas Kolda