Added Docstrings

Author: ShikharJ

symengine/lib/symengine_wrapper.pyx

@@ -1377,6 +1377,10 @@ cdef class Abs(Function):
         return abs(arg)
 
 cdef class _Max(Function):
+    '''
+    Class named as such to prevent namespace issues with
+    Python's min. Import as Min for aesthetics.
+    '''
 
     def _sympy_(self):
         cdef RCP[const symengine.Max] X = \
@@ -1399,6 +1403,10 @@ cdef class _Max(Function):
         return sage.max(*s)
 
 cdef class _Min(Function):
+    '''
+    Class named as such to prevent namespace issues with
+    Python's min. Import as Min for aesthetics.
+    '''
 
     def _sympy_(self):
         cdef RCP[const symengine.Min] X = \