Add test for hexadecimal integer constants.
Add tests for foreach statements.
Arrange keywords in alphabetical order and some missing entries.
Remove keywords not used in Powershell.
Split keywords into smaller groupings according to role.
Add tests for try-catch-finally blocks.
Add tests for block keywords.
Rename keyword test description without mentioning highlighting.
Remove mention of highlighting from test descriptions.
Update insert function snippet.

Add LINK section to comments. Remove one of the EXAMPLE sections. Add an OUTPUTS section. Indent the comments correctly. Capitalize the SYNOPSIS keyword. Fix variable for body.