add update on rollfil daylight tank processing

remove inferrence that HC-110 doesn't have catechol in it - it does

add section on highly dilute D-23

various typos, minor text cleanup

update reel processing section

update copyright

add section on when to not use these techniques

update on old TXP 220 rollfilm

updates on tray processing and raising reels

update on using super-dilute HC-110

explictly take note of the updates at the end

add section on Kodak Super-XX from 1961

add section on very old film

correct EMA dilution typo

use consistent case in naming

added precis section and header for introduction

add note on 120 testing and clarified test coverage for 4x5

add commentary on religious debates this engenders

add material on D-23 and SLIMT

a bit more commentary on no-agitation Stand

add commentary on smaller formats and reels

added commentary about being unable to reliably produce artifact-free stand negatives

make urls explicit in case user wants to print document

added link to kachel's work on local contrast

a breathless tour of stand film development

Initial commit