Replace usage of map unsupported on Python 3

In Python 3, map returns a map object not a list. Replaced the
occurrences I could find with list comprehensions.

Author: amercader

ckanext/example_idatastorebackend/example_sqlite.py

@@ -113,8 +113,8 @@ def resource_id_from_alias(self, alias):
         return False, alias
 
     def get_all_ids(self):
-        return map(lambda t: t.name, self._get_engine().execute(
+        return [t.name for t in self._get_engine().execute(
             u'''
             select name from sqlite_master
             where type = "table"'''
-        ).fetchall())
+        ).fetchall()]

setup.py

@@ -25,7 +25,9 @@
 #
 
 def parse_version(s):
-    return map(int, s.split('.'))
+    return [int(part) for part in s.split('.')]
+
+
 
 HERE = os.path.dirname(__file__)
 with open(os.path.join(HERE, 'requirement-setuptools.txt')) as f: