Minor improvements (#2)

* Remove unused include

* Add py.typed

* Fix cast errors

Author: gentlegiantJGC

src/amulet/io/binary_writer.hpp

@@ -5,7 +5,6 @@
 #include <cstdint>
 #include <cstring>
 #include <functional>
-#include <iostream>
 #include <string>
 #include <limits>
 

src/amulet/io/py.typed

@@ -131,11 +131,11 @@ void test_read_string(EndianState endian, bool read_offset)
     if (!read_offset) {
         ASSERT_EQUAL(size_t, 0, reader.get_position())
         ASSERT_EQUAL(bool, true, reader.has_more_data())
-        ASSERT_EQUAL(std::string, "test", reader.read_bytes(4))
+        ASSERT_EQUAL(std::string_view, "test", reader.read_bytes(4))
     }
     ASSERT_EQUAL(size_t, 4, reader.get_position())
     ASSERT_EQUAL(bool, true, reader.has_more_data())
-    ASSERT_EQUAL(std::string, "hello world", reader.read_size_and_bytes<std::uint16_t>())
+    ASSERT_EQUAL(std::string_view, "hello world", reader.read_size_and_bytes<std::uint16_t>())
     ASSERT_EQUAL(size_t, 17, reader.get_position())
     ASSERT_EQUAL(bool, true, reader.has_more_data())
     if (endian == EndianState::Default) {