added the ability to do a delete_tree

spec/unit/ber/core_ext/array_spec.rb

@@ -0,0 +1,14 @@
+require 'spec_helper'
+require 'metaid'
+
+describe Array, "when extended with BER core extensions" do
+
+  it "should correctly convert a control code array" do
+    control_codes = []
+    control_codes << ['1.2.3'.to_ber, true.to_ber].to_ber_sequence
+    control_codes << ['1.7.9'.to_ber, false.to_ber].to_ber_sequence
+    control_codes = control_codes.to_ber_sequence
+    res = [['1.2.3', true],['1.7.9',false]].to_ber_control
+    res.should eq(control_codes)
+  end
+end