WAF SizeContraint needs to be an AWSProperty (Fixes #561)
WAF SizeContraint needs to be an AWSProperty (Fixes #561)

7digital/troposphere,pas256/troposphere,ikben/troposphere,pas256/troposphere,ikben/troposphere,cloudtools/troposphere,johnctitus/troposphere,7digital/troposphere,horacio3/troposphere,cloudtools/troposphere,johnctitus/troposphere,horacio3/troposphere