ObjFW  All files named "src/codepage_437.m"

Forgot to add 2017, even though I already did quite some changes in
2017. file: [4fbb269eea] check-in: [44f45c2e35] user: js, branch: trunk, size: 8373 [annotate] [blame] [check-ins using] [diff]

While at it, also update the mail address. file: [31a2de52cc] check-in: [2a27cf3000] user: js, branch: trunk, size: 8372 [annotate] [blame] [check-ins using] [diff]

This means that OFObject.h imports macros.h now, making it unnecessary
to manually import macros.h in almost every file. And while at it, also
import autorelease.h in OFObject.h, so that this doesn't need to be
manually imported in almost every file as well. file: [a2c17327ad] check-in: [13ee56edf3] user: js, branch: trunk, size: 8341 [annotate] [blame] [check-ins using] [diff]

This is required for ZIP files, which can use either codepage 437 or
Unicode. file: [badcc11070] check-in: [3912669d91] user: js, branch: trunk, size: 1666 [annotate] [blame] [check-ins using]