(rather than `-m test.regrtest`)

Issue #11235: Fix OverflowError when trying to import a source file whose modification time doesn't fit in a 32-bit timestamp.

Issue #12922: fix the TextIOBase documentation to include a description of seek() and tell() methods.

Original rewording by Jim Jewett

Python 3 isn't affected (unbound methods don't exist).
Thanks to Vincent Pelletier for noticing.

Yet another emergency fix for #13803 bootstrap issue: Under Solaris, distutils doesn't include bitness in the directory name

Emergency fix for #13803 bootstrap issue: Under Solaris, distutils doesn't include bitness in the directory name

Patch by Oleg Plakhotnyuk.

Patch by Roger Serwy.