Some work on building up the index as object subclass rather than ndarray
more changes
change default index from using view form
Remove temporary FrozenNDArray (fixup me!)
Fixup Cython wrappers
__new__ ---> __init__ everywhere
Getting closer to working version
Names fixups
Remove is_ tests that don't make sense
Restore view(Index) as option (but deprecated)
get test_view_Index to pass
Allow explicit class calls to go directly to constructor
Fix _instantiate dumb bug
Test for deprecation warning on view with Index class
More identifying where only ndarray is necessary
Get most of MultiIndex working + add fast path
clearer error messages in pickle compat
Fixup simple_new to use freq kwarg instead
More useful identity
Fixup views and _id setting a bit