moved PySequence_XXX nodes from PythonCextBuiltins to PythonCextSequenceBuiltins

Author: tomasstupka

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/Python3Core.java

@@ -116,6 +116,7 @@
 import com.oracle.graal.python.builtins.modules.cext.PythonCextListBuiltins;
 import com.oracle.graal.python.builtins.modules.cext.PythonCextLongBuiltins;
 import com.oracle.graal.python.builtins.modules.cext.PythonCextNumberBuiltins;
+import com.oracle.graal.python.builtins.modules.cext.PythonCextSequenceBuiltins;
 import com.oracle.graal.python.builtins.modules.cext.PythonCextSetBuiltins;
 import com.oracle.graal.python.builtins.modules.csv.CSVDialectBuiltins;
 import com.oracle.graal.python.builtins.modules.csv.CSVModuleBuiltins;
@@ -483,6 +484,7 @@ private static PythonBuiltins[] initializeBuiltins(boolean nativeAccessAllowed)
                         new PythonCextLongBuiltins(),
                         new PythonCextNumberBuiltins(),
                         new PythonCextSetBuiltins(),
+                        new PythonCextSequenceBuiltins(),
                         new WeakRefModuleBuiltins(),
                         new ReferenceTypeBuiltins(),
                         new WarningsModuleBuiltins(),