ADDED Comment to funcRecentSession and funcAmountOfCarriers
ADDED Comment to funcRecentSession and funcAmountOfCarriers

Added comments to funcRecentSession and funcAmountOfCarriers to improve
the code readability

AMOSus/amos-ss16-proj6,AMOSus/amos-ss16-proj6,AMOSus/amos-ss16-proj6,AMOSus/amos-ss16-proj6