Small functions that I have found useful in a given time
Functions added: · StringInc Create a sequence of strings. From AAA to ZZZ.
· checkAndValidateEmail Checks if a mail is correct. It checks if the passed domain is real.
· clean_characters Returns a string in uppercase, making the accents in their corresponding alternates and removing invalid characters
· lat_lon_to_km Get the distance between two points set in latitude, longitude.