Start to cleanup for doc handling

Author: rocky

pymathics/graph/__init__.py

@@ -1,14 +1,16 @@
-"""Pymathics Graph - Working with Graphs (Vertices and Edges)
+"""
+Graphs - Vertices and Edges
 
-This module provides functions and variables for working with
-graphs.
+A Pymathics module that provides functions and variables for working with graphs.
 
 Example:
    In[1]:= LoadModule["pymathics.graph"]
    Out[1]= pymathics.graph
    In[2]:= BinomialTree[3]
    In[3]:= BinomialTree[6]
    In[4]:= CompleteKaryTree[3, VertexLabels->True]
+
+Networkx does the heavy lifting here.
 """
 
 from pymathics.graph.base import (

pymathics/graph/algorithms.py

@@ -1,8 +1,6 @@
 # -*- coding: utf-8 -*-
 """
-Algorithms on Graphs.
-
-networkx does all the heavy lifting.
+Algorithms on Graphs
 """
 
 from typing import Optional

pymathics/graph/generators.py

@@ -1,8 +1,6 @@
 # -*- coding: utf-8 -*-
 """
-Routines for generating classes of Graphs.
-
-networkx does all the heavy lifting.
+Routines for generating classes of Graphs
 """
 
 from typing import Callable, Optional

pymathics/graph/measures_and_metrics/__init__.py

@@ -1,6 +1,6 @@
 """
 Graph Measures and Metrics
 
-Measures include basic measures, such as the number of vertices and edges, connectivity, degree measures,
-centraility, and so on.
+Measures include basic measures, such as the number of vertices and edges, \
+connectivity, degree measures, centrality, and so on.
 """