Make option checking more robust

More descriptive error messages are printed when invalid options are
passed.
Merge branch 'option_checking' into dev
Add log axes capability
Merge branch 'feature_log' into dev
Add CHANGELOG file
Merge branch 'v1.0' into dev
Add man page file. Remove bad spaces in CHANGELOG
Update README.md to include man page install info
Merge branch 'docs' into dev