Feature/clean up (#238)

* validator: fixing a warning, untestify this when you need it for real code

* webassembly: minor readme changes.

* README changes in wasm

* Updated wasm version

* clients/webassembly: security vuln updates

* typo fix

* WIP commit

* Significantly simplified the API

* Changed switch to have default branch

* Managed to get rid of `this` bind

* Filled in a missing word

Co-authored-by: jstuczyn <jedrzej.stuczynski@gmail.com>

validator/src/network/rest/presence/conversions.rs

@@ -33,6 +33,7 @@ impl From<ServiceMixnode> for RestMixnode {
 }
 
 impl ServiceTopology {
+    #[cfg(test)] // un-testify this when you need it for real code, this kills warning
     pub fn from_rest_topology_with_timestamp(
         rest_topology: RestTopology,
         timestamp: Timestamp,