v0.5.1-aplha: Code improvements, new auto-correct method, privacy cleanner & social media formatter

🐞​​ Bug fixes

• No bugs founded.

📦 New features

• Auto-correct method implemented, using spanish corpus.
• Media method, delete or replace social media tags.
  • HTML Tags
  • Hashtags
  • Mention tags
  • URL link
  • Email
• Privacy method, delete or replace personal information
  • Person name
  • ID Number
  • IP Number
  • Phone Number

​🧬​ Changes

• Preprocessing class documentation improved
• Preprocessing class code refactoring
  • Pipeline method
  • Write method
• Code formatter (black)