Added test for handling different delimiters, changed the scripts to work with Windows
Added test for catching an exception on negative numbers
Added a test for ignoring numbers over 1000
Added test for delimiters of any length
Minor refactoring
Added test for multiple delimiters
Added test for handling multiple delimiters of any length
Added assert check for a single delimiter, fixed code to handle single special characters as delimiters
Added assert check for another single integer than 1, refactored the code to handle other single integers