Expand contribution guidelines
@@ -6,6 +6,11 @@ Please see `astropy's contributing guildelines
<http://www.astropy.org/contribute.html>`__ for a general guide to the
workflow involving git, etc. Everything below is astroquery-specific.
+We strongly encourage draft pull requests to be opened early in development.
+If you are thinking of contributing a new module, please open a pull request
+as soon as you start developing code and mark it "WIP" (work in progress).
+
+
New Features
------------
We welcome any and all new features! If you have your own little query tool
@@ -55,6 +60,14 @@ method is a wrapper around the `requests.request` function that provides
important astroquery-specific utility, including caching, HTTP header
generation, progressbars, and local writing-to-disk.
+Dependencies
+------------
+New contributions are generally not allowed to bring along additional dependencies.
+
+File reading, table parsing, etc. should be done with astropy tables.
+
+
+
.. _astroquery API: docs/api.rst
.. _template: docs/template.rst
.. _requests: http://docs.python-requests.org/en/master/
