Spelling (#214)

* spelling: ancillary
* spelling: antarctica
* spelling: australia
* spelling: authentication
* spelling: continental
* spelling: constructor
* spelling: conversion
* spelling: creation
* spelling: doesn't
* spelling: easily
* spelling: efficiently
* spelling: equivalent
* spelling: essentially
* spelling: everything
* spelling: exactly
* spelling: be
* spelling: expensive
* spelling: supports
* spelling: healthcheck
* spelling: immediately
* spelling: ignored
* spelling: invocation
* spelling: itself
* spelling: leftovers
* spelling: missing
* spelling: natural
* spelling: nonexistent
* spelling: peculiarities
* spelling: pointing

This change hit a line length limitation, so I'm wrapping it and
adding a period which appears to match local style...

* spelling: quicker
* spelling: response
* spelling: requested
* spelling: redirect
* spelling: traffic
* spelling: unknown
* spelling: uploaded
* spelling: useful
* spelling: separately
* spelling: zone

octodns/zone.py

@@ -37,10 +37,10 @@ class Zone(object):
         if not name[-1] == '.':
             raise Exception('Invalid zone name {}, missing ending dot'
                             .format(name))
-        # Force everyting to lowercase just to be safe
+        # Force everything to lowercase just to be safe
         self.name = unicode(name).lower() if name else name
         self.sub_zones = sub_zones
-        # We're grouping by node, it allows us to efficently search for
+        # We're grouping by node, it allows us to efficiently search for
         # duplicates and detect when CNAMEs co-exist with other records
         self._records = defaultdict(set)
         # optional leading . to match empty hostname