Correcting some bugs
HUGE COMMIT : Read more in the description

- Correcting a WHOLE FUCKING LOT of diverse bugs
- Refactoring the entire functional structure of the page
- Correcting the main SQL request to math newly appearing edge-cases in
searches like searching for a summoner that we don't have the name but
that participated in a game when being searched by id
- Renaming some variables for clarity
- Deleting some chunks of debug-only code
- And maybe other things I missed here...