add script for directory management
add script to benchmark problems
add script to fetch problem statements
add script to generate per problem ranking
add script to aggregate all the results in a table
fetch: don't exit program when fetch fails
make the README.md file useful
add copyright to file header comments
table: show absolute time on fastest solution
table: show '-' if benchmark result not present
fetch: create problem directory if necessary
fetch: print result of operation
table: use proper logic to find best solution
add support for C
use round instead of int to find relative time
ranking: show LoC
table: make the pid link to the problem folder
README: add TL; DR section