remove useless class, fix format on readme

testclass.py

@@ -1,27 +0,0 @@
-
-class Test(object):
-
-    def __init__(self):
-        self.ll = range(11)
-
-    def _purge_list(self, ll=None):
-        cur_ll = self.ll if not ll else ll
-
-        for index, e in enumerate(cur_ll):
-            if e % 2 == 0:
-                del cur_ll[index]
-        return cur_ll
-
-    def purge_list(self):
-        self.ll = self._purge_list()
-
-
-if __name__ == '__main__':
-    t = Test()
-
-    print t.ll
-    print 'purging list'
-
-    t.purge_list()
-
-    print t.ll