#883804 by freelock, jpstuddard, Dave Reid: Fixed token_get_invalid_tokens_by_context() does not like Location module's wildcard tokens.

by Dave Reid: Fixed incorrect parameters for url().

by Dave Reid: Adding proper token API documentation.

#224262 by nicholasThompson, Dave Reid, jaydub, jpfle, greggles, tobiasb: Added current page tokens (path, URL, and page number).
by Dave Reid: Prevent PHP notices if $node->log is not defined.
by Dave Reid: Values run through url() are always escaped, so there is no need for a [node-url-raw] token.
#490378 by Dave Reid | kiamlaluno: Cleaned up token descriptions and inconsistent use of punctuation.
#321487 by Dave Reid, eMPee584 | greggles: Added [comment-node-title] token for a comment's node title.
by Dave Reid: Add a form element validation callback for invalid token context checking.
#587148 by Dave Reid, rfay: Added special warning and array merging when more than one module defines the same token.
by Dave Reid: Adding node-path and node-url tokens.
#375887 by Dave Reid: Added 'since' and 'small' date tokens and standardized node [mode] and user [reg] and [log] tokens.
by Dave Reid: Use constants for default token prefix and suffix.
by Dave Reid: Backported token_get_invalid_tokens_by_context().

#252241 by EmanueleQuinto, isaac.niebeling, Dave Reid: Added [log] and [log-raw] tokens for node revision log message.

#207768 by jmstacey, roderik, Dave Reid | budda: Fixed cached tokens being used for new objects with empty IDs.

bug #262360 by Justin W Freeman, derhasi, MGN: Expose control of token caching to functions that call token_replace

bug #205799 by greggles: default the book elements to prevent [book-raw] in url when there is no parent

feature #206649 by greggles: gracefully support the migration to tokens in date module itself due to API changes it needs to live inside of Date

bug #149222 by quicksketch: make sure object is an object before trying to clone - prevents fatal errors

bug #149222 by quicksketch and jbrown: clone the object before getting tokens to prevent odd behavior under php5