Tidy up NTLM error messages and update changelog

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 99.96%. Comparing base (fc93d03) to head (1b375d6).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #84 +/- ## ======================================= Coverage 99.96% 99.96% ======================================= Files 30 30 Lines 5361 5361 ======================================= Hits 5359 5359 Misses 2 2 ``` | [Flag](https://app.codecov.io/gh/jborean93/pyspnego/pull/84/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jordan+Borean) | Coverage Δ | | |---|---|---| | [arm64](https://app.codecov.io/gh/jborean93/pyspnego/pull/84/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jordan+Borean) | `94.73% <100.00%> (ø)` | | | [heimdal](https://app.codecov.io/gh/jborean93/pyspnego/pull/84/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jordan+Borean) | `99.73% <100.00%> (+3.37%)` | :arrow_up: | | [macOS](https://app.codecov.io/gh/jborean93/pyspnego/pull/84/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jordan+Borean) | `94.73% <100.00%> (ø)` | | | [mit](https://app.codecov.io/gh/jborean93/pyspnego/pull/84/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jordan+Borean) | `96.49% <100.00%> (ø)` | | | [py3.10](https://app.codecov.io/gh/jborean93/pyspnego/pull/84/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jordan+Borean) | `96.54% <100.00%> (-3.38%)` | :arrow_down: | | [py3.11](https://app.codecov.io/gh/jborean93/pyspnego/pull/84/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jordan+Borean) | `99.92% <100.00%> (ø)` | | | [py3.12](https://app.codecov.io/gh/jborean93/pyspnego/pull/84/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jordan+Borean) | `99.92% <100.00%> (ø)` | | | [py3.8](https://app.codecov.io/gh/jborean93/pyspnego/pull/84/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jordan+Borean) | `99.92% <100.00%> (ø)` | | | [py3.9](https://app.codecov.io/gh/jborean93/pyspnego/pull/84/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jordan+Borean) | `99.96% <100.00%> (ø)` | | | [sspi](https://app.codecov.io/gh/jborean93/pyspnego/pull/84/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jordan+Borean) | `95.87% <100.00%> (ø)` | | | [ubuntu](https://app.codecov.io/gh/jborean93/pyspnego/pull/84/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jordan+Borean) | `99.92% <100.00%> (+3.37%)` | :arrow_up: | | [windows](https://app.codecov.io/gh/jborean93/pyspnego/pull/84/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jordan+Borean) | `95.87% <100.00%> (ø)` | | | [x64](https://app.codecov.io/gh/jborean93/pyspnego/pull/84/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jordan+Borean) | `99.96% <100.00%> (ø)` | | | [x86](https://app.codecov.io/gh/jborean93/pyspnego/pull/84/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jordan+Borean) | `95.84% <100.00%> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Jordan+Borean#carryforward-flags-in-the-pull-request-comment) to find out more.

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