Updated docstring and __all__ in date module

Author: MrClock8163

docs/api/data.rst

@@ -4,6 +4,7 @@ Data
 ====
 
 .. automodule:: geocompy.data
+    :exclude-members: R0,PI2,_E
 
     Definitions
     -----------

src/geocompy/data.py

@@ -24,6 +24,26 @@
 - ``Byte``
 - ``Vector``
 - ``Coordinate``
+
+- ``POSITION``
+- ``ADJUST``
+- ``ATR``
+- ``TURN``
+- ``MEASUREPROGRAM``
+- ``SHUTDOWN``
+- ``STARTUP``
+- ``DEVICECLASS``
+- ``CAPABILITIES``
+- ``TRACKLIGHT``
+- ``ATRLOCK``
+- ``STOP``
+- ``CONTROLLER``
+- ``AUTOPOWER``
+- ``INCLINATION``
+- ``MEASUREMENT``
+- ``EDMMODE``
+- ``FACE``
+- ``FORMAT``
 """
 from __future__ import annotations
 
@@ -39,20 +59,6 @@
 )
 
 
-__all__ = (
-    "parsestr",
-    "toenum",
-    "enumparser",
-    "gsiword",
-
-    "AngleUnit",
-    "Angle",
-    "Byte",
-    "Vector",
-    "Coordinate"
-)
-
-
 RO = 180 * 60 * 60 / math.pi
 """RAD-SEC conversion coefficient"""