Merge pull request #2 from jstnlef/minor-refactoring

Minor refactor to hasLeadingZeros

semver.go

@@ -360,13 +360,7 @@ func containsOnly(s string, set string) bool {
 }
 
 func hasLeadingZeroes(s string) bool {
-	if len(s) <= 1 {
-		return false
-	}
-	if s[0] == '0' {
-		return true
-	}
-	return false
+	return len(s) > 1 && s[0] == '0'
 }
 
 // Creates a new valid build version