Parallel commands & Android log filter etc.

[IGPenguin]

🤔 Check before merge:

• [x] 🏗 All functions implemented thoroughly
  • [x] ~apaste -a~
  • [x] iuninstall -a - parallel
  • [x] iscreenshot -a
  • [x] alog?
• [ ] 🔨 All changes tested <- it will be okay 🤞😅
  • [x] ascreenshot
  • [x] ascreenshot -a
  • [x] ainstall \
  • [x] ainstall -a \
  • [x] alog -f \
  • [x] alog
  • [x] auninstall -a
  • [x] iuninstall -a
  • [x] agoogleplay (foreground app)
  • [x] agoogleplay \
  • [x] agoogleplay \
  • [x] icrashlogs (keep)
  • [x] icrashlogs (delete)
  • [x] apaste \ \ ...
  • [x] apaste "multi-word single argument"
• [x] 📝 Changes in usage / new scripts added to README.md
• [x] 📣 Major changes listed in changelog.txt

✅ All good? -> Merge #hacktoberfest! 🎉🎉🎉