typo fixed
example configurable class transformer (method call) added
exception message extended with statement if the statement can't compile
typo in example fixed
dependency changed: use javassist 3.18.0-GA
* file filter extended for ignoring nested/inner classes - javassist doesn't support inner classes
* small bugfix - cutting directory from class name
function for extract the class name based on file name moved to utility class; refactoring classes for easier reuse