Added an about section at the start
Tweaked deposit section

Made it slightly more positive sounding
Added an expenses section
Added note about emails, etc. adding to scope of work
Re-worked deadline section
Changed phrasing of changes/revisions section
Added note about 3rd party libraries
Added clarification about the things the client is responsible for getting to me
changed 'outline of work' to 'scope of work' everywhere
Clarified tech support and access to their servers
Added stuff about illegal materials, backups and liability
clarified copyright and ownership