Fixed communication error handling

It got mixed up with another project, apologies.
v0.1.3: Fixed communication error handling
Fixed the bug fix, a2a216c7a22330d5c40218525a44848e3a0a169e
Travis CI now also test Node.js 0.7
Comment cleanup
New method domains.check
Comment sections
New method domains.register
New method domains.transfer
New method domains.renew
New method domains.autorenew
New method domains.transferout
Readme structure improved
New method domains.nameservers
Fixed callback params
Cleanup annoying ;'s
Readme: convert line-endings to LF
License: replaced Copyleft with Unlicense (both public domain)

This includes explanation and disclaimer
Config: improved structure, minor fixes, license
Readme: moved Travis CI badge to Installation