added todos
moved content into own namespace, started test for SingleLine
finished test for single line
Renamed
refactored content classes
first finishing of content sections and test for block
Converted PhpDocTemplate and MethodTemplate to usage of content objects
finished MethodTemplateTest
merged visibility into one property, thanks to: https://github.com/nette/php-generator/blob/master/src/PhpGenerator/Property.php
Small renaming, thanks to: https://github.com/nette/php-generator/blob/master/src/PhpGenerator/Parameter.php
finished first draft of class template, added template for constant and property also
switched to GeneratorTestCase and started ConstantTemplateTest