by building a local copy of libsqlite3 with OS X installers rather than
depending on the wide range of versions supplied with various OS X releases.

data.

Also alphabetized the attributes in the blacklist to make it easier to
detect changes.

Initial patch by Éric Araujo.

parameters of importlib.__import__().

Patch by Chris Jerdonek.

Patch by Chris Jerdonek.

to avoid curses.unget_wch bug present in older versions of ncurses such as
those shipped with OS X.

- Remove OS X installer and Mac/Makefile dependencies on /Developer which
  no longer exists with Xcode 4; the referenced tools have been installed
  into the usr/bin tool root since Xcode 3.
- Support adding the SDK usr/bin tool root to the installer's PATH via the
  SDK_TOOLS_BIN environment variable.

__import__().

To help explain why the -1 default value is typically not seen, a note
about how import statements only use values of >= 0 is also noted.

'u' format of the array module uses again Py_UNICODE type for backward
compatibility with Python 3.2.

The only change from Python 3.2 is that PyUnicode_AsUnicode() result is now
checked for NULL value.

Issue #14814: Remove redundant property from interface objects - prefixlen can be accessed via the associated network object

Issue 14814: Docs work showed some more cases of networks pretending to be addresses and highlighted the weird approach to implementing the 'is_whatever' properties. Impl now illustrates far more clearly that networks have a property if both their network and broadcast addresses have that property

Close #15559: Implementing __index__ creates a nasty interaction with the bytes constructor. At least for 3.3, ipaddress objects must now be explicitly converted with int() and thus can't be passed directly to the hex() builtin.