Merge #332

332: fix lstat64; heap size; and stat r=MarkMcCaskey a=MarkMcCaskey

- Get https://github.com/nikic/PHP-Parser working 🎉 
- fixes memory issue bug which looked like relative paths didn't work, but was really pointer aliasing corrupting data

Co-authored-by: Mark McCaskey <mark@wasmer.io>

lib/runtime-core/src/types.rs

@@ -1,5 +1,5 @@
 use crate::{memory::MemoryType, module::ModuleInfo, structures::TypedIndex, units::Pages};
-use std::{borrow::Cow, mem};
+use std::borrow::Cow;
 
 /// Represents a WebAssembly type.
 #[derive(Serialize, Deserialize, Debug, Clone, Copy, PartialEq, Eq, Hash)]