Command line output

Yahoo gives problems due to gzip encoding. Issue not resolved
Command line output 2

Included the code in functions. Fixed Yahoo gzip problem. Max can print
50 results(n=100).
Using diablo.py to aggregate results

Code optimized to obtain 50 results from each search engine.
Updates

Updated Bing code due changes in its HTML source. Improvised on
diablo.py in d_dict.py
Merge remote-tracking branch 'origin/data_structure'