lmodule version 0.4

What's Changed

• lmodule version 0.3.0 by @shahzebsiddiqui in #35
• add support for checking module syntax by @shahzebsiddiqui in #39
• Minor fix to documentation links by @shahzebsiddiqui in #40
• Bump urlstechie/urlchecker-action from 0.0.27 to 0.0.34 by @dependabot in #37
• Bump actions/checkout from 2 to 3 by @dependabot in #29
• Bump actions/setup-python from 2 to 4 by @dependabot in #28
• format changes for lmodule examples using literalinclude by @shahzebsiddiqui in #41
• add support for 'module overview' by @shahzebsiddiqui in #42
• add support for retrieving stats from ModuleLoadTest by @shahzebsiddiqui in #44
• add support for testing multiple lmod version in regression test by @shahzebsiddiqui in #45
• fix issue with Spider class when it returns an empty list. by @shahzebsiddiqui in #47
• update changelog for version 0.4.0 by @shahzebsiddiqui in #43

Full Changelog: v0.3.0...v0.4