Released version 3.6.4

• use-statements for functions & constants
• ClassType: method names are case insensitive
• PhpNamespace: class and function names are case-insensitive
• PhpNamespace: addUse() & simplifyName() is case-insensitive
• PhpNamespace::simplifyName() fixed collision when alias already exists
• PhpNamespace: improved collision checking between class and alias
• PhpNamespace::addUse() removed parameter $aliasOut (BC break)
• PhpNamespace::addUse() simplified aliases generation
• Factory: supports 'new' in parameters
• accept numeric array keys when validating types #91