Fix get outputs call in wallet (#1319)

* Fix get outputs call in wallet. It generates an invalid url if there are 1000+ outputs.
* Also switched to async http client for performance reasons
* Couple unrelated cleanups
* fixup! Fix get outputs call in wallet

api/src/router.rs

@@ -5,7 +5,6 @@ use hyper::{Body, Method, Request, Response, StatusCode};
 use std::collections::hash_map::DefaultHasher;
 use std::hash::{Hash, Hasher};
 use std::sync::Arc;
-use util::LOGGER;
 
 lazy_static! {
 	static ref WILDCARD_HASH: u64 = calculate_hash(&"*");
@@ -141,7 +140,6 @@ impl Router {
 		for key in keys {
 			node_id = self.find(node_id, key).ok_or(RouterError::RouteNotFound)?;
 			if self.node(node_id).key == *WILDCARD_STOP_HASH {
-				debug!(LOGGER, "ROUTER stop card");
 				break;
 			}
 		}