working on win32 uwp! and libremidi update

include/libremidi/message.hpp

@@ -1,7 +1,12 @@
 #pragma once
 #include <libremidi/config.hpp>
 
+#include <algorithm>
 #include <span>
+#include <vector>
+#if defined(__cpp_exceptions)
+  #include <stdexcept>
+#endif
 
 namespace libremidi
 {
@@ -120,7 +125,7 @@ struct message
   {
 #if defined(__cpp_exceptions)
     if (channel <= 0 || channel > 16)
-      throw std::range_error("message::uses_channel: out of range");
+      throw std::range_error("out of range");
 #endif
     return ((bytes[0] & 0xF) == channel - 1) && ((bytes[0] & 0xF0) != 0xF0);
   }
@@ -240,7 +245,9 @@ struct meta_events
         static_cast<uint8_t>(mpqn)};
   }
 
-  static message time_signature(int numerator, int denominator)
+  static message time_signature(
+      int numerator, int denominator, int clocks_per_click = 1,
+      int notated_32nd_notes_per_beat = 96)
   {
     int n = 1;
     int powTwo = 0;
@@ -251,8 +258,14 @@ struct meta_events
       ++powTwo;
     }
 
-    return {0xff, 0x58, 0x04, static_cast<uint8_t>(numerator), static_cast<uint8_t>(powTwo),
-            1,    96};
+    return {
+        0xff,
+        0x58,
+        0x04,
+        static_cast<uint8_t>(numerator),
+        static_cast<uint8_t>(powTwo),
+        static_cast<uint8_t>(clocks_per_click),
+        static_cast<uint8_t>(notated_32nd_notes_per_beat)};
   }
 
   // Where key index goes from -7 (7 flats, C♭ Major) to +7 (7 sharps, C♯
@@ -261,7 +274,7 @@ struct meta_events
   {
 #if defined(__cpp_exceptions)
     if (keyIndex < -7 || keyIndex > 7)
-      throw std::range_error("meta_events::key_signature: out of range");
+      throw std::range_error("out of range");
 #endif
     return {
         0xff, 0x59, 0x02, static_cast<uint8_t>(keyIndex),