Tokens::isCasting - new checker
Tokens::isWhitespace - add extra parameter which allow to define whitespaces charakters
SpacesNearCastFixer - new fixer, remove this functionallity from buggy ControlSpacesFixer
SpacesNearCastFixerTest - move here test from ControlSpacesFixerTest that about cast
SpacesNearCastFixerTest - make old testcases real PHP codepieces
SpacesNearCastFixerTest - add few test cases
Token::isCasting - rename to isCast