Fix markup to be compatible with Sphinx and add rough API doc
diff --git a/doc/api.rst b/doc/api.rst
new file mode 100644
index 0000000..2efddd0
--- /dev/null
+++ b/doc/api.rst
@@ -0,0 +1,9 @@
+API
+===
+
+.. toctree::
+   :maxdepth: 2
+
+   api/crypto
+   api/rand
+   api/SSL