Updated api docs.
Updated api docs.

Signed-off-by: Nick Campbell <e31591b49bf5c9127aafb098f2b9d466891b32f9@gmail.com>

kelektiv/node.bcrypt.js,kelektiv/node.bcrypt.js,kelektiv/node.bcrypt.js,greyhwndz/node.bcrypt.js,kelektiv/node.bcrypt.js,linalu1/node.bcrypt.js,ncb000gt/node.bcrypt.js,nullivex/node.bcrypt.js,greyhwndz/node.bcrypt.js,linalu1/node.bcrypt.js,listepo/node.bcrypt.js,listepo/node.bcrypt.js,ncb000gt/node.bcrypt.js,DJMcK/node.bcrypt.js,ksmyth/node.bcrypt.js,DJMcK/node.bcrypt.js,linalu1/node.bcrypt.js,ncb000gt/node.bcrypt.js,greyhwndz/node.bcrypt.js,greyhwndz/node.bcrypt.js,listepo/node.bcrypt.js,nullivex/node.bcrypt.js,ksmyth/node.bcrypt.js,linalu1/node.bcrypt.js,ncb000gt/node.bcrypt.js,nullivex/node.bcrypt.js,listepo/node.bcrypt.js,DJMcK/node.bcrypt.js,ksmyth/node.bcrypt.js,kelektiv/node.bcrypt.js,DJMcK/node.bcrypt.js,nullivex/node.bcrypt.js,ksmyth/node.bcrypt.js