Merge branch 'issue_166_string_ops' of github.com:kanaka/mal into issue_166_string_ops

Conflicts:
	factor/lib/core/core.factor

diff --cc factor/lib/core/core.factor
index 9bdf686,96bf437..906be65
--- 1/factor/lib/core/core.factor
--- 2/factor/mal/core/core.factor
+++ b/factor/lib/core/core.factor
@@@ -2,10 -2,10 +2,10 @@@
  ! See http://factorcode.org/license.txt for BSD license.
  USING: accessors arrays assocs combinators
  combinators.short-circuit fry grouping hash-sets hashtables io
 -io.encodings.utf8 io.files kernel lists mal.env mal.printer
 -mal.reader mal.types math namespaces readline sequences sets
 +io.encodings.utf8 io.files kernel lists lib.env lib.printer
 +lib.reader lib.types math namespaces readline sequences sets
- system vectors ;
+ strings system vectors ;
 -IN: mal.core
 +IN: lib.core
  
  SYMBOL: mal-apply