Specs refactor and tweaks

- Make ParseOptions func to take an arg and return struct so we can test it
- Refactor and add more tests for options parsing
- Run test suite on postgres 10.x branch
- Change format for connection idle timer from float64 to in

Godeps/Godeps.json

@@ -1,6 +1,6 @@
 {
 	"ImportPath": "github.com/sosedoff/pgweb",
-	"GoVersion": "go1.9",
+	"GoVersion": "go1.10",
 	"GodepVersion": "v79",
 	"Packages": [
 		"./..."
@@ -112,6 +112,16 @@
 		{
 			"ImportPath": "gopkg.in/yaml.v2",
 			"Rev": "a5b47d31c556af34a302ce5d659e6fea44d90de0"
+		},
+		{
+			"ImportPath": "github.com/stretchr/testify/vendor/github.com/davecgh/go-spew/spew",
+			"Comment": "v1.1.3",
+			"Rev": "f390dcf405f7b83c997eac1b06768bb9f44dec18"
+		},
+		{
+			"ImportPath": "github.com/stretchr/testify/vendor/github.com/pmezard/go-difflib/difflib",
+			"Comment": "v1.1.3",
+			"Rev": "f390dcf405f7b83c997eac1b06768bb9f44dec18"
 		}
 	]
 }