Repo tweaks

[devbrunorm]

Changelog:

• Created "output" directory
  • Created .keep file inside "output" directory to keep this folder inside repo even when there are no files inside
  • Altered "fileSaver.py" to create files inside "output" directory
• Removed python cache files/folders
  • This removes binary files from our repo (good pratice)
• Created .gitignore file to avoid commit unnecessary files
• Added fixed lib versions at "requirements.txt"