Added le, lt, ge, gt and associated test cases

dbf6d673 · Hengjean · bd65bb19 · dbf6d673 · dbf6d673
--- a/theano/sparse/basic.py
+++ b/theano/sparse/basic.py
--- a/theano/sparse/tests/test_basic.py
+++ b/theano/sparse/tests/test_basic.py