some hackage
progress on btc stuff
address checker
progress on BTC addresses
more work on displaying the chain table
progress on #33

check that we're getting at least one signed link that meets our criteria
for uid/username
be more careful with fingerprint changes
flatten and prune
ready to merge in branch btc and then to fire this thing up
Merge branch 'btc' into issue_33

Conflicts:
	cmd_sigs_list.go
	id_table.go
	user.go
now the whole thing compiles at least
more runtime progress
fix a bunch of bugs, almost working
fixes, getting closer
basically working