Sort rule codes in CLI

[sbrugman]

Sort the rule codes in the CLI help is more intuitive to the user.

Before:

  --select SELECT       Comma-separated list of rules to enable or 'ALL' to enable all rules. Available rules: TOR001, TOR105, TOR402, TOR103, TOR401, TOR201, TOR004, TOR104, TOR501, TOR102,
                        TOR202, TOR403, TOR203, TOR002, TOR901, TOR003, TOR101. Defaults to all except for TOR3, TOR4, TOR9.

After:

  --select SELECT       Comma-separated list of rules to enable or 'ALL' to enable all rules. Available rules: TOR001, TOR002, TOR003, TOR004, TOR101, TOR102, TOR103, TOR104, TOR105, TOR201,
                        TOR202, TOR203, TOR401, TOR402, TOR403, TOR501, TOR901. Defaults to all except for TOR3, TOR4, TOR9.

Changes:

• Sort rule codes
• Minor code modernisation for readability (list comprehension, superfluous else)