Remove Exclamation Marks

[gowerc]

Closes #112

[github-actions]

Code Coverage Summary

Filename                Stmts    Miss  Cover    Missing
--------------------  -------  ------  -------  --------------------------
R/ascii_tables.R          105       8  92.38%   10, 148, 158, 163-166, 211
R/cast_variables.R         49       0  100.00%
R/diffdf.R                209      18  91.39%   373-390, 417
R/generate_keyname.R       10       1  90.00%   16
R/identify.R              152       8  94.74%   283-290
R/is_different.R           52       0  100.00%
R/issuerows.R              40       0  100.00%
R/issues.R                 17       1  94.12%   51
R/misc_functions.R         34       2  94.12%   9, 13
R/print.R                  20       0  100.00%
TOTAL                     688      38  94.48%

Results for commit: 219939a

Minimum allowed coverage is 80%

♻️ This comment has been updated with latest results

[github-actions]

Unit Tests Summary

  1 files   13 suites   6s ⏱️
 52 tests  51 ✅ 1 💤 0 ❌
578 runs  571 ✅ 7 💤 0 ❌

Results for commit 219939a.

♻️ This comment has been updated with latest results.

[kieranjmartin]

Removing the exclamation marks from the news.md is very funny, but probably unintentional?

I would recommend saving this for 2.0. I suspect some of the printed behaviour may be encoded, so I would probably do this in a more breaking release.