Removed dupplicate dir
Total freq done
Writing to multiple files
List index out of range while creating 2D Matrix
[Repo-Clean] Adding gitignore;
[Structure Change] Fixed package issues; moved preprocessor to be part of utils
Defined separate classes
Merge remote-tracking branch 'origin/master'
Defined explicit classes
Updated import details; list index out of range in line 42
Compilation successful
DTM working
Inverse Document Frequency working