Static code analysis

[steveh250]

Run through static code analysis - sonarqube? Then fix.

[steveh250]

Ran Codacy analysis

Security
NOTE: First three terminate the string with \0 so will not fix.

Error Prone
NOTE: These have been tested - non-issues.

[steveh250]

Substantial changes to code related to how string handing which may address the above issues (by-product of changing to getline) - requires rerunning.