#README

Description:   
The application is developed to calculate values in reverse polish notation and return the result in respectiму type (number, array or string).  To get the result you need to call this application with the getPolishReverseRes method and pass two parameters there  there:
  - string ro calculate;  
  - string with result type ('number'/'string'/'array').
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Versioning:  
2.1.1 - update README (versioning)  
2.1.0 - add array type for result  
2.0.0 - add type selection for result (string or number)   
1.1.1 - fix console.log for greeting 
1.0.1 - update README (add description)  
  
Example  
'4 8 6 10 * * * 0 11 * -' => 1920