Depend on py-sqlite3 (vs 2).

This uses the support the rest of the world expects to be present in
python.  Now, tahoe-lafs's regression tests pass.
Update to 0.46.

- 0.46 | 2013-03-14

  - bugfix: handle connection options w/o "backup" env var

	Previously, ‘pg-conndefaults’ expected every option to have a
	backup env var (e.g., option ‘#:host’ and env var ‘PGHOST’).
	For later versions of PostgreSQL which no longer maintain this
	1:1 correspondance, Guile-PG would segfault.

	Now, in such cases, the value associated w/ the key ‘#:envvar’
	in the alist returned by ‘pg-conndefaults’ is ‘#f’.

  - planned retirement
    - procedure ‘(database postgres) pg-getline’
    - procedure ‘(database postgres) pg-getlineasync’
    - procedure ‘(database postgres) pg-putline’
    - procedure ‘(database postgres) pg-endcopy’

	These procedures are obsoleted by ‘pg-get-copy-data’ and
	‘pg-put-copy-data’.  They WILL BE REMOVED by 2013-12-31.

	Actually, the first two were originally -- in Guile-PG 0.41
	(2011-09-29) -- planned to be removed by 2012-12-31.
	Support has been extended for solidarity w/ the latter two.

  - bootstrap tools upgraded
    - GNU Texinfo 5.1

Copyright (C) 2002-2013 Thien-Thi Nguyen

Copying and distribution of this file, with or without modification,
are permitted provided the copyright notice and this notice are preserved.
Updated databases/guile-pg to 0.46
update to 1.17.1
changes:
-Allow coloured points for non-orthogonal plots (polar, ternary)
-Remove unnecessary exception data
-bugfixes
update to 4.14.6
This is a minor bug fix release.
update to 4.10.1
changes:
-Qt5 support
-minor feature additions
update to 0.10.2
changes:
-Widget cleanups
-Add dialog version of the font selector
-Enhance canvas with possibility of css
-Improve printing of grey patterns
-Make narrow versions of combos for vertical toolbars
-bugfixes
update to 1.12.2
changes:
-Update documentation
-Improve ODF support
-minor UI tweaks
-Embed more artwork
-New functions: OWENT, POCHHAMMER, NT_OMEGA
-bugfixes
update to 1.0.7
changes: bugfixes
update to 2.99.1
changes:
-Several missing accelerator keys (re-)added
-bugfixes
update to 0.8.6
change: Fix HashSet.foreach
adapt to a change in libao's WAV output format, cdrdao can now
import mp3 files directly again
bump PKGREV
use vala020
update to 0.12.1
New features: Caldwell catalog for nebulae, re-packed star catalogs
(Hipparcos and Tycho-2), delta-T manager, star magnitude limit control,
updates textures of galaxies and nebulae and various small GUI changes.
The release has over 30 closed bugs in the core application and plugins.
update to 1.4.1
changes:
-new APIs added
-FD passing enabled by default
-bugfixes
update to 2.1.2
changes:
-GTK3 support (not used in pkgsrc yet)
-moves the configuration file to a XDG conforming location
-bugfixes
-translated to Lithuanian
update to 4.1.5
This integrates fixes for all vulnerabilities which were patched
in pkgsrc before.
Among many bug fixes and improvements (around 50 since Xen 4.1.4):
 * ACPI APEI/ERST finally working on production systems
 * Bug fixes for other low level system state handling
 * Support for xz compressed Dom0 and DomU kernels
Explain that tar archive contains CVS working copy.
Point to HTTP location.
Mention that it is the same as FTP, only URL schema differs.
Mention that we distribute bzip2- and xz-compressed archives.
Mention that one can use curl, wget, or web browser.
mention updates