#14 Modify text according to Dr Karma's comments

[Ansam Akram]

1. Add related work and their strengths and weaknesses
2. Modify pitfall tab to more summarized weakness of mentioned paper in the literature review
3. Section III should be a subsection of data and preprocessing
4. Feature Selection to be expanded with brief description of methods
5. Model analysis to describe the classification methods used and params tuning
6. In results, decribe improvement thru param tuning
   ,improvement thru aplying other classifiers
   ,improvement thru feature selction