Revert "ErrorManager"

This reverts commit b1cd78f6af9e37acc1d02dc9a17a714264647b68.
Revert "Moved test files, LineManager"

This reverts commit 61dc82a6495edb298e6f18a95fe3248193afab56.
Moved test files
Added a tiny python script to launch all the tests

Because i'm fucking lazy
Added the LineManager

Keep track of the current line, very useful to print an error
Pasted the old ErrorManager

Still need to call it in the compiler
Implemented the calls to errorManager

Also fixed the compiler crash for err2.yaka, and the missing errors for
err3.yaka