Refactored rank and processes to be MPI ready.
Refactored array allocation to enable sorting of more tweets.
Refactored radix sort method header.
Changed default values.
Changed printing of tweets to least significant. Removed cast bug in
compare function.
Refactored from array to pointer arithmetik.
Prepared parallelisation. Implemented features to sort just parts of the
input file and MSD presorting.
Implemented filenames with local rank.
MPI exchange local histograms
Working sort in wrong order.