make it enable to access 'config' key when setting files has it as a top key.
add Setting#load!

to load config files expressly
add some specs
move spec files
move samples for spec
stop using inner_hash and use simple hashes
fix return value of 'Setting#load!'
change top object of query into Node
add some comments
add a license file
add some blank lines

to get a fine rendering
add a link
add a container adapter
add 'source_file' method
add 'source_loader'
add specs for Merger
update version number
Merge branch 'develop'