Use pybind11 as binding framework

This commit changes the api for the Schedule class, the various time related
methods now return datetime.datetime instances instead of datetime.data.

python/CMakeLists.txt

@@ -1,11 +1,7 @@
 include( FindPythonModule )
 include( PythonPackage )
 
-#python_module( ctypes )
-python_module( six    )
-#python_module( numpy  REQUIRED 1.7  )
 python_module( inspect    OPTIONAL  )
-
 if (DEFINED PY_inspect)
   message(STATUS "We have inspect.")
 else()

python/sunbeam/schedule.py

@@ -19,6 +19,9 @@ class Schedule(object):
     def groups(self, timestep=0):
         return [Group(x, self, timestep) for x in self._groups if x.name != 'FIELD']
 
+    def __getitem__(self,well):
+         return Well(self._getwell(well))
+
 
 @delegate(lib.Well)
 class Well(object):
@@ -34,6 +37,9 @@ class Well(object):
     def completions(self, timestep):
         return map(Completion, self._completions(timestep))
 
+    def __eq__(self,other):
+        return self._sun.__equal__(other._sun)
+
     @staticmethod
     def defined(timestep):
         def fn(well): return well.isdefined(timestep)