* Oputput error message when asked to fix non-fixable issue
* Document ability to fix function PossiblyUndefinedGlobalVariable
* Add --issues=all option to fix all possible issues
* Add --list-supported-issues option to psalter
* Fix psalm issues
* Add newline to end of psalter help output
* Adjust messages output from psalter
* Use fwrite(STDERR, instead of die( for issue list related errors in psalter
* Restore missing exits in psalter