Changelog update, and bump pgspecial for the release.

changelog.rst

@@ -1,5 +1,10 @@
-Upcoming
-========
+Upcoming:
+=========
+
+TODO
+
+1.9.0
+=====
 
 Features:
 ---------

setup.py

@@ -12,7 +12,7 @@ with open('pgcli/__init__.py', 'rb') as f:
 description = 'CLI for Postgres Database. With auto-completion and syntax highlighting.'
 
 install_requirements = [
-    'pgspecial>=1.9.0',
+    'pgspecial>=1.10.0',
     'click >= 4.1',
     'Pygments >= 2.0',  # Pygments has to be Capitalcased. WTF?
     'prompt_toolkit>=1.0.10,<1.1.0',