Use "XYZException" coding style

Author: Greg Bowler

src/InvalidProtocol.php

@@ -0,0 +1,4 @@
+<?php
+namespace Gt\Http;
+
+class InvalidProtocolException extends Exception {}

src/InvalidProtocolException.php

@@ -0,0 +1,4 @@
+<?php
+namespace Gt\Http;
+
+class InvalidRequestMethodException extends Exception {}

src/InvalidRequestMethod.php

@@ -34,15 +34,15 @@ public function getProtocolVersion() {
 	 *
 	 * @param string $version HTTP protocol version
 	 * @return static
-	 * @throws InvalidProtocol
+	 * @throws InvalidProtocolException
 	 */
 	public function withProtocolVersion($version) {
 		if($this->protocol === $version) {
 			return $this;
 		}
 
 		if(!is_numeric($version)) {
-			throw new InvalidProtocol($version);
+			throw new InvalidProtocolException($version);
 		}
 
 		$clone = clone $this;

src/InvalidRequestMethodException.php

@@ -16,7 +16,7 @@ public static function filterMethodName(string $name):string {
 		$name = strtoupper($name);
 
 		if(!in_array($name, self::ALLOWED_METHODS)) {
-			throw new InvalidRequestMethod($name);
+			throw new InvalidRequestMethodException($name);
 		}
 
 		return $name;