add some phpdoc
create trait for validating loop argument
change phpdoc
remove unused return statement
remove unused variable
fix typo in phpdoc
integrate unit test for baseLoop and ValidatorTrait
create test for ValidatorTrait
remove php5.3 compat
change some phpdoc
add php 5.5 to travis config
start to implement new process for loop
simple loop substitution are not made into loop now.
remove comment code
test LoopResult class
test LoopResultRow class
create test for baseParam abstract class
test Tokenize::setTestLoop
test BaseElement::replace
add licence info