Update libtcodpy docs to be less deprecated.

Should no longer get these from the `tcod` module.

Update some deprecation warnings to FutureWarning.

Author: HexDecimal

docs/conf.py

@@ -185,9 +185,9 @@
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ["_static"]
+# html_static_path = ["_static"]
 
-html_css_files = ["css/custom.css"]
+# html_css_files = ["css/custom.css"]
 
 # Add any extra paths that contain custom files (such as robots.txt or
 # .htaccess) here, relative to this directory. These files are copied

docs/glossary.rst

@@ -72,4 +72,4 @@ Glossary
     color control
     color controls
         Libtcod's old system which assigns colors to specific codepoints.
-        See :any:`tcod.COLCTRL_STOP`, :any:`tcod.COLCTRL_FORE_RGB`, and :any:`tcod.COLCTRL_BACK_RGB` for examples.
+        See :any:`libtcodpy.COLCTRL_STOP`, :any:`libtcodpy.COLCTRL_FORE_RGB`, and :any:`libtcodpy.COLCTRL_BACK_RGB` for examples.