* (practically every file): Adapted to new gc and object system.

Rev: ChangeLog:1.2
Rev: doc/TODO:1.11
Rev: src/Makefile.am.in:1.6
Rev: src/abstract_crypto.h:1.14
Rev: src/abstract_io.h:1.19
Rev: src/alist.c:1.12
Rev: src/alist.h:1.7
Rev: src/blocking_write.c:1.7
Rev: src/channel.c:1.14
Rev: src/channel.h:1.17
Rev: src/client.c:1.36
Rev: src/client_keyexchange.c:1.17
Rev: src/client_keyexchange.h:1.9
Rev: src/client_userauth.c:1.5
Rev: src/connection.c:1.18
Rev: src/crypto.c:1.13
Rev: src/debug.c:1.16
Rev: src/disconnect.c:1.8
Rev: src/encrypt.c:1.15
Rev: src/format.c:1.20
Rev: src/format.h:1.15
Rev: src/gc.c:1.2
Rev: src/io.c:1.31
Rev: src/io.h:1.21
Rev: src/keyexchange.c:1.25
Rev: src/keyexchange.h:1.24
Rev: src/list.c:1.2
Rev: src/list.h:1.2
Rev: src/lsh.c:1.24
Rev: src/lshd.c:1.21
Rev: src/make_class:1.6
Rev: src/packet_ignore.c:1.6
Rev: src/pad.c:1.18
Rev: src/parse.c:1.19
Rev: src/parse.h:1.14
Rev: src/password.c:1.1
Rev: src/password.h:1.7
Rev: src/publickey_crypto.c:1.19
Rev: src/publickey_crypto.h:1.12
Rev: src/randomness.c:1.8
Rev: src/randomness.h:1.5
Rev: src/read_data.c:1.13
Rev: src/read_line.c:1.14
Rev: src/read_line.h:1.9
Rev: src/read_packet.c:1.25
Rev: src/reaper.c:1.4
Rev: src/reaper.h:1.3
Rev: src/server.c:1.24
Rev: src/server_keyexchange.c:1.15
Rev: src/server_keyexchange.h:1.6
Rev: src/server_password.c:1.7
Rev: src/server_userauth.c:1.6
Rev: src/session.h:1.10
Rev: src/unpad.c:1.14
Rev: src/userauth.c:1.1
Rev: src/userauth.h:1.7
Rev: src/write_buffer.c:1.12
Rev: src/write_buffer.h:1.11
Rev: src/xalloc.c:1.14
Rev: src/xalloc.h:1.14
Rev: src/zlib.c:1.9