Finalized and documented the Python scripting interface.

src/execute.c

@@ -33,6 +33,7 @@
 #include "line_info.h"
 #include "misc_tools.h"
 #include "notify.h"
+#include "api.h"
 
 struct cmd_func {
     const char *name;
@@ -196,5 +197,10 @@ void execute(WINDOW *w, ToxWindow *self, Tox *m, const char *input, int mode)
     if (do_command(w, self, m, num_args, global_commands, args) == 0)
         return;
 
+#ifdef PYTHON
+    if (do_plugin_command(num_args, args) == 0)
+        return;
+#endif
+
     line_info_add(self, NULL, NULL, NULL, SYS_MSG, 0, 0, "Invalid command.");
 }