docs: def add_changelog(self, user="", mod_tables="", user_desc=""):
          """
          Add an entry to the changelog table. This should be run when changes or edits are done to the database.
  
          Parameters
          ----------
          user: str
              Name of the person who made the edits
          mod_tables: str
              Table or tables that were edited
          user_desc: str
              A short message describing the changes
          """
          import datetime
          import socket
          
          # Spit out warning messages if the user does not provide the needed information
          if user == "" or mod_tables == "" or user_desc == "":
              print("You must supply your name, the name(s) of table(s) edited, "
                    "and a description for add_changelog() to work.")
              raise InputError('Did not supply the required input, see help(db.add_changelog) for more information.\n'
                               'Your inputs: \n\t user = {}\n\t mod_tables = {}\n\t user_desc = {}'.format(user, mod_tables, user_desc))
                               
          # Making tables all uppercase for consistency
          mod_tables = mod_tables.upper()
          
          data = list()
          data.append(['date', 'user', 'machine_name', 'modified_tables', 'user_description'])
          datestr = datetime.datetime.now().strftime("%Y-%m-%d %H:%M")
          machine = socket.gethostname()
          data.append([datestr, user, machine, mod_tables, user_desc])
          self.add_data(data, 'changelog')