add SectionOptions to return options only in the given section.
add test for SectionOptions
Merge pull request #3 from huandu/master

Add SectionOptions method to return options only in a section.
Use go fmt. Add Apache license.
Use better structure to be goinstalled. Add new maintainer.
Format web address
Temporary moving to try auto-merge
Back go files
robfig: Make getters fall back to DEFAULT (Existing functionality like HasOption and Options() behave as if this should happen)
robfig: Export the error types so that they can be tested for
robfig: Don't return SectionError when looking for an option.
robfig: Export DEFAULT_SECTION
robfig: Return OptionError, not a wrapped error.
tmbrggmn: Added support for mergin Config instances using Merge(*Config)
tmbrggmn: Fixed 'tmp' test constant to hopefully not be *NIX only
tmbrggmn: Added extra test to check merging
Add function names in comments.
Rename self since it is not used widely in Go
Add contributor
Add protocol in web addresses