update to go 1.11

Ubuntu · Ubuntu · commit d20949c1d643 · 2019-01-07T21:24:33.000-08:00
diff --git a/go.mod b/go.mod
@@ -0,0 +1 @@
+module github.com/shady831213/algorithms

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+module github.com/shady831213/algorithms`