Create a new patch file for each patch and close old handle

This stopped a few misbehaviours

test/manual/minimal.cpp

@@ -18,7 +18,7 @@ int main(int argc, char *argv[]) {
   while (modified != 0) {
 
     modified = minimal_lib::getNewValue(5);
-    printf("getNewValue(5): %d\n", modified);
+    printf("getNewValue: %d\n", modified);
     std::this_thread::sleep_for(std::chrono::seconds(1));
 
     printf("otherValue: %d\n", minimal_lib::otherValue++);

test/manual/minimal_lib.cpp

@@ -1,10 +1,11 @@
 #include "minimal_lib.h"
+#include <cstdio>
 
 namespace minimal_lib {
 
 int getNewValue(int x) {
   static int value = 0;
-  value = value + 5;
+  value = value + x;
   return value;
 }