0.2.12

Added domain register functionality.

Easily register one or more domains:

dns domain register [accountcontactid] domain1.com,domain2.com,domain3.com
info:    Executing command domain register
+ Checking availability of domain domain1.com                                  
+ Checking availability of domain domain2.com                                  
+ Checking availability of domain domain3.com                                 
help:    The following domains are available to register:
data:    Name          Price 
data:    ------------  ------
data:    domain3.com   $14.00
help:    If you continue, your account will be charged: $14.00
Are you sure you want to continue?