feat: support headers with fullstop (#20)

* * allow underscores on headers.
* fix spelling mistakes
* fix a header not being tested

* Added support for header with fullstop

utils.go

@@ -51,7 +51,7 @@ func parseHeaderList(headerList string) []string {
 			} else {
 				h = append(h, b)
 			}
-		} else if b == '-' || b == '_' || (b >= '0' && b <= '9') {
+		} else if b == '-' || b == '_' || b == '.' || (b >= '0' && b <= '9') {
 			h = append(h, b)
 		}
 

utils_test.go

@@ -32,9 +32,9 @@ func TestConvert(t *testing.T) {
 }
 
 func TestParseHeaderList(t *testing.T) {
-	h := parseHeaderList("header, second-header, THIRD-HEADER, Numb3r3d-H34d3r, Header_with_underscore")
-	e := []string{"Header", "Second-Header", "Third-Header", "Numb3r3d-H34d3r", "Header_with_underscore"}
-	if h[0] != e[0] || h[1] != e[1] || h[2] != e[2] || h[3] != e[3] || h[4] != e[4] {
+	h := parseHeaderList("header, second-header, THIRD-HEADER, Numb3r3d-H34d3r, Header_with_underscore Header.with.full.stop")
+	e := []string{"Header", "Second-Header", "Third-Header", "Numb3r3d-H34d3r", "Header_with_underscore", "Header.with.full.stop"}
+	if h[0] != e[0] || h[1] != e[1] || h[2] != e[2] || h[3] != e[3] || h[4] != e[4] || h[5] != e[5] {
 		t.Errorf("%v != %v", h, e)
 	}
 }