improve module docstrings and remove unnecessary shebangs

udib/clibella.py

@@ -1,4 +1,4 @@
-"""This module provides classes and methods for pretty console output."""
+"""Library for consistent and visually appealing terminal output."""
 
 import sys
 

udib/gpgverify.py

@@ -1,6 +1,4 @@
-#!/usr/bin/env python3
-
-""" This module validates GPG signatures for downloaded files. """
+"""Library for verification of GPG signatures."""
 
 from pathlib import Path
 

udib/userinput.py

@@ -1,6 +1,4 @@
-#!/usr/bin/env python3
-
-"""This module provides functions for (interactive) user input handling."""
+"""Library for consistent interactive user input capturing."""
 
 import re
 

udib/webdownload.py

@@ -1,6 +1,10 @@
-#!/usr/bin/env python3
+"""Library for downloading files from the web.
 
-"""This module downloads Debian Linux installation images from the web."""
+Specifically, debian installation images and any accompanying files
+required for verification of authenticity and integrity of the
+obtained images.
+
+"""
 
 import os
 import re