2016-05-27 EFILTER 1.3 (Awesome Sauce)

 - SELECT ... AS ... will now preserve the order of columns in the SELECT.
 - Regular expressions are now applied using non-anchored search, like perl.
 - Standard library:
   - Added 'levenshtein' to calculate Levenshtein distance between strings.
   - Added 'materialize' to force a lazy sequence to materialize.
 - Bugfixes:
   - The interpreter no longer gets confused if a string-like object also
     implements IAssociative.
   - The interpreter no longer attempts to coerce unicode strings to ascii.

2016-05-06 EFILTER 1.2 (Awesome Sauce)

 - Display nicer error messages in some cases.

2016-05-04 EFILTER 1.1 (Awesome Sauce)

 - Removed ISuperposition and deprecated IIndexable.
 - Added the let keyword.
 - Bind now supports an intermediate scope.
 - Added a 'first' function.
 - solver now treats IRepeated of one as scalar (allowing for nice subselects).

2016-04-21 EFILTER 1.0 (Awesome Sauce)

Initial stable release.
