Add select, getsockopt, setsockopt, ioctl and fcntl to Python wrapper

src/bindings/python/select.py

@@ -0,0 +1,7 @@
+import libzt
+
+
+class select:
+    def select(self, r, w, x, timeout=None):
+        r, w, x = libzt.zts_py_select(self, r, w, x, timeout)
+        return r, w + x, []