`Std.parseInt()` returns `0` for binary numbers prefixed with `0b`

[EliteMasterEric]

This might be a breaking change but it's also inconsistent with base Haxe syntax.

// Prints `true`
trace(Std.parseInt("0x12345678") == 0x12345678);
// Prints `false`
trace(Std.parseInt("0b10100010") == 0b10100010);
// Prints `0`
trace(Std.parseInt("0b10100010"));

https://try.haxe.org/#84b38882

[tobil4sk]

Std.parseInt doesn't fully implement the same syntax that is supported in haxe integer literals, because in a few cases it uses native apis directly. I think it would be better to have a separate function to support the full haxe syntax, see: #11111.