* Preserve signalling bit in NaNs * Fix warnings
* Rename LoadedModule to Module * Hide TryInto * Fix rustdoc tests. * Rename from_parity_wasm_module and doc it. * Document `Module::from_buffer` * Tidy Module docs * Some rustdoc headers. * Document FuncInstance::{alloc_host, signature} * Document descriptors. * Doc NotStartedModuleRef * Fix cargo-deadlinks