disabled chashmap dependency if I want it later

Cargo.toml

@@ -14,6 +14,7 @@ slog = "2.0.6"
 sloggers = "0.2"
 slog-term = "2"
 shuteye = "^0"
+# chashmap = "2"
 
 windows = { path = "../windows" }
 money = { path = "../money" }

src/latency.rs

@@ -11,6 +11,7 @@ use zmq;
 use influent::measurement::{Measurement, Value};
 use sloggers::types::Severity;
 use shuteye;
+//use chashmap::CHashMap;
 
 use windows::{DurationWindow, Incremental, Window};
 use money::{Ticker, Side, ByExchange, Exchange};

src/lib.rs

@@ -16,6 +16,7 @@ extern crate pub_sub;
 extern crate sloggers;
 extern crate slog_term;
 extern crate shuteye;
+//extern crate chashmap;
 
 extern crate windows;