Added DataFrame method to quandlsearch()
Update README with DataFrame example on quandlsearch()

and println() on function
Merge pull request #39 from brk00/master

Updated README and solved a minor issue
resolving merge conflicts, small grammatical changes to README
added functionality to quandlsearch with updates to README
reorg of README
made DataFrame default datatype for quandlsearch and updated README
Added interactive search and updated README