SWIGTYPE && input typemaps now assume object has been moved

Replicated Java implementation.

Fully implemented for:
- C#
- D
- Guile
- Javascript (UTL)
- Lua
- MzScheme
- Octave (UTL)
- Perl (UTL)
- PHP
- Python (UTL)
- Ruby (UTL)
- Tcl (UTL)

PHP std::auto_ptr std::unique_ptr minor tweaks and testcase corrections

Examples/test-suite/php/tests.php

@@ -178,6 +178,11 @@ class check {
     return TRUE;
   }
 
+  static function str_contains($a,$b,$message=null) {
+    # Use strpos as PHP function str_contains requires PHP 8
+    return check::equal(strpos($a,$b)!==false,true,$message);
+  }
+
   static function isnull($a,$message=null) {
     return check::equal($a,NULL,$message);
   }