#4 Several fixs and new features

[Olivier]

* Proposal for a 2.04 release

* General cleanup, remove some unused variable and
structure declarations, make code compile without warning

* pw_phonemes.c: Modify pw_element and pw_phonemes to
generate more readable, but (I hope) more secure
passwords. Based on comments from Debian bug #276976,
but does not adresses it. (Human readeable passwords
cannot be as secure as pure random password, it's obvious)

* pw_rand.c: Take care of pw_flags to generate
passwords without capitals and/or without digits.
Adresse Debian bug #276307

* pw_rand.c: Fix what seems to be a bug, to allow more
than one digit and more than one capital in passwords.
Fix Debian bug #182595

* sha1.c: Gpl'd lib to compute sha1 hash, contributed
by Christophe Devine

* sha1num.c: Add an alternative to true random numbers,
by using sha1 hash of given file and given seed.

* pwgen.c: Add -B, --ambiguous option, to prevent use
of ambiguous characters in generated passwords. (ie:
2/Z, 0/O, etc...) Adresses (?) Debian bug #51307
This option is effective in pw_rand and pw_phonemes

* pwgen.c: Make -A an alias to --no-capitalize, and
make this option effective in pw_rand.

* pwgen.c: Make -0 an alias to --no-numerals and make
this option effective in pw_rand.

* pwgen.c: Add -H, --sha1 option, to allow computing
reproducibles passwords, given a know file, and a know
seed.
(ie: pwgen -H ~/my_favourite.mp3#olivier@guerrier.com
gives me a list of possibles passwords for my pop3
account, and I can ask this list again and again)
This option is effective in pw_rand and pw_phonemes

* pwgen.c: Add -y, --symbols option, which add one one
more specials characters in generated passwords
This option is effective in pw_rand and pw_phonemes

* pwgen.1: Updated with new options and features

* Makefile.in: Add sha1.c sha1.h sha1num.c where needed

[Olivier]

diff to pwgen-2.03

[Olivier]

Logged In: YES
user_id=1052615

I've found a bug in my code, which may cause memory
corruption, and password not being what expected. The
attached patch correct this.

[Olivier]

bad pointer assignment patch

[Nobody/Anonymous]

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