last UFO changes
tried to fix cryptic compilation errors, but to no avail
allows libzerocoin to compile, but not tutorial
tutorial changes for UFO
fixed one compilation error, though I still don't like that the Params* constructor doesn't work
debugging stmts; typo fixes
this makes tutorial compile; hooray!
bugfix
cleanup
new serialize/unserialize behavior for ZC - WIP! tutorial segfaults!