Issue #27888: Prevent Windows installer from displaying console windows and failing when pip cannot be installed/uninstalled.

Issue #27870: A left shift of zero by a large integer no longer attempts to allocate large amounts of memory.

creates not a cursor.  Patch by Xiang Zhang.

Also adjust the test condition, because enable-meta-key was only added in
6.1, not 6.0.

Statements should not be reset after a commit.

Backported from https://github.com/ghaering/pysqlite/commit/029050896b1e6058573abeef5a8970384c0c7faa

Do not print charrefs outside of the text proper (like '—»»»» ').

Windows symlink support was introduced in python3, so we need to skip
those tests differently on python2.  Patch by Xiang Zhang.

Patch by Robin Roth, backport by Xiang Zhang.

Issue #25604: Fix bug in integer true division that could have resulted in off-by-one-ulp results in unusual cases.

Issue #27128. Fix a reference leak if creating the tuple to pass positional
parameters fails.

Issue #27128. Fix a reference leak if creating the tuple to pass positional
parameters fails.

rearrange methodcaller_new so that the main error case does not cause uninitialized memory usage (closes #27783)

The original problem has been fixed in newer versions of FreeBSD.
Patch by Dimitry Andric of the FreeBSD project.

Patch by Ronald Oussoren.

Reported by Thomas E. Hybel

Reported by Thomas E. Hybel

instead of overriding methods with mocks in original class and module.
This makes the 2.7 test_textview nearly identical to the 3.5/.6 test.

Initial patch by Jelle Zijlstra.