(llvm) Clean dead code
(tests) Add tests for binary expressions computed types
(core) Ensure float types have a coherent sizes

Display this size in toString()
Default to 32 bits instead of 0
Check the size in equals()
(core) Uint and Int types are 32 bits long by default
(tests) Add tests for types of divisions expressions
(tests) 1 more test for division type
(tests) Add multiplications size tests
(tests) Check type of lshift expressions
(tests) Check type of rshift expressions