revise README a bit - it still isn't very good
remove empty record_merger_spec.rb file
refactor indexer.rb: reordered methods and a teeny bit of refactoring
minor refactoring
reformat a long comment, add a comment
add a comment
fix format_hash to have value be an array - not weird multidimensional hash
fix language_hash to have value be an array - not weird multidimensional hash