refs #NA Fix Logger and added new method output() for echo all messages in logger not in class ^^
refs #NA Commands must be extends of CommandAbstract, doc fixes
refs #NA Compiler class move echo to logger->output method, arguments fixes, docs block fixes
refs #NA Move method checkAndWriteIfNeeded to Utils class
refs #NA Move version for config file = 0.0.1 as default
refs #NA Delete duplicated case in switch block in Expression class
refs #NA Bolean must be boolean - two o
refs #NA Added class StatementAbstract, and extends statemens of it, fix doc blocks
Merge pull request #55 from zaets28rus/code_review_1

Code review 1