Work with MS-Dos encoding

Also, fix bug in repeat-checking, the fix for which was broken
Address keybase/keybase-issues#411
v0.0.14
URgent security bugfix
v0.0.15
Address keybase/keybase-issues#385
v0.0.16
Include a client in proofs
changes
v0.0.17
strip out debug code
change
v0.0.18
add a proof_type_to_str
change
v0.0.19
Sanity-Check the server's proof
Merge branch 'master' of github.com:keybase/proofs

Conflicts:
	lib/base.js
keep it simple
changes