Tweet Filter Program

A small program that will make labeling individual tweets significantly easier. Will generate 4 text files:
 1) positive tweets
 2) negative tweets
 3) trash tweets (completely useless information)
 4) useful trash tweets (tweets that are neither positive or negative but still useful)
    -Will be used in the "useful tweet" classifier.

The program will output the number of tweets read and the number of tweets left to process.
It will automatically delete processed tweets from the specified file.