Rename \Mibew\Style\Style class to AbstractStyle
Rename \Mibew\RequestProcessor\Processor class to AbstractProcessor
Rename \Mibew\API\Interation\Interaction class to AbstractInteraction
Add default value to get_operators_list function's argument
Use method for Interaction::reservedFunctionName

Replace Mibew API Interaction "reservedFunctionName" property
with "getReservedFunctionsNames" method to increase reliability
of the code.
Add Interaction::mandatoryArguments method

Rename "obligatory" arguments to "mandatory" arguments. Use
Mibew API Interaction "mandatoryArguments" method instead of
"obligatoryArguments" property to increase code reliability.
Mark API methods in *Processor classes as deprecated
Use the same declaration for *Processor::call methods