Add date manipulation class. Rewrite codes
Fix bugs with bad variable name
Add errors handling to response Api
Change timeout. Fix overriding arguments in methods
next improvements for tests
Clean deactivate method, change events class name
refactoring changes
Merge branch 'master' into feature/refactoring

Conflicts:
	copy_this/modules/oxtiramizoo/core/oxtiramizoo_setup.php
Merge branch 'master' into feature/refactoring

Conflicts:
	copy_this/modules/oxtiramizoo/core/oxtiramizoo_config.php
Improvements in delivery set class. Add comments and clean the code
Rename models
Use tiramizoo config
Change concrete tiramizoo delivery type object
Add message if setup sql doesn't work properly
Add basket validation
Add getters to oxsession and basket
Refactoring setup class
Set current shop as shopid in setup sql statemnets
Get shipping id from obasket object
Get shipping id from obasket object