Iupy

* Modify: Expand compatibility to Python 3.10

* Modify: Changes to the build environment so PyPi would properly work.

misc.py
* Add: text_header

myconfig.py
* Add: get_file_handle_ro
* Add: get_my_config

network.py
* Add: get_my_ip
* Add: v4_bits_to_mask
* Add: v4_mask_to_bits
* Add: v4_wildcard