Ciphit

Changes (after [`0772047`](https://github.com/sgrkmr/ciphit/commit/0772047a07e86ec0f350757e073122aa7c9ece0c)):

- `refactor:` Structural changes
- [`ff37b6a`](https://github.com/sgrkmr/ciphit/commit/ff37b6aabb18716c4d94e57630af8657ee59a0bd) `fix:` Removed unnecessary string handeling which caused variance

Changes:
* [`021f425`](https://github.com/sgrkmr/ciphit/commit/021f425e42d8a4d2e34d6c32127e8031521560de) `feat:` Replaced pycrypto with cryptography

Changes:
* [`b05a2ff`](https://github.com/sgrkmr/ciphit/commit/b05a2ffd4a966ea2ec9391ee1d7f233b3bd225b4) `feat:` Add edit option for files

Changes:
* [`aa0245a`](https://github.com/sgrkmr/ciphit/commit/aa0245aa5c7a05d637ab4e6977b6c8b2f701f927) `feat:` Add support for files
* [`fd95079`](https://github.com/sgrkmr/ciphit/commit/fd950796b2a9f4912dea41e871fcdb07cedb2b85) `feat:` Update options and support for multi-line text
* [`504eb4c`](https://github.com/sgrkmr/ciphit/commit/504eb4c7ee19fb720acd05b70438e024ca9acb11) `feat:` Added setup.py for easier installation
* [`f581494`](https://github.com/sgrkmr/ciphit/commit/f581494a0a083907711c031b31ec8fdb6af92bb0) `feat:` Reimplementing using `click` and other lib over `asciimatics`