implemented possibility to give one or more files as an argument, refactored the calls of the scan functions for each language into function checkFileExtension to avoid redundant code from checking directories and given file(s)
implemented possibility to give one or more files as an argument, refactored the calls of the scan functions for each language into function checkFileExtension to avoid redundant code from checking directories and given file(s)

Pschroet/dependency-scanner