update deps

vendor/github.com/Masterminds/semver/CHANGELOG.md

@@ -1,3 +1,8 @@
+# 1.3.1 (2017-07-10)
+
+## Fixed
+- Fixed #57: number comparisons in prerelease sometimes inaccurate
+
 # 1.3.0 (2017-05-02)
 
 ## Added

vendor/github.com/Masterminds/semver/version.go

@@ -394,8 +394,29 @@ func comparePrePart(s, o string) int {
 		return -1
 	}
 
-	if s > o {
+	// When comparing strings "99" is greater than "103". To handle
+	// cases like this we need to detect numbers and compare them.
+
+	oi, n1 := strconv.ParseInt(o, 10, 64)
+	si, n2 := strconv.ParseInt(s, 10, 64)
+
+	// The case where both are strings compare the strings
+	if n1 != nil && n2 != nil {
+		if s > o {
+			return 1
+		}
+		return -1
+	} else if n1 != nil {
+		// o is a string and s is a number
+		return -1
+	} else if n2 != nil {
+		// s is a string and o is a number
+		return 1
+	}
+	// Both are numbers
+	if si > oi {
 		return 1
 	}
 	return -1
+
 }