allow for deselecting records while keeping it in the set under consideration. used...
tree93e83e3e974f96cf62ef1ab0d2a9bd740b83302c
-rw-r--r-- 886 History.txt
-rw-r--r-- 17996 LICENSE
-rw-r--r-- 1441 Manifest.txt
-rw-r--r-- 52 README.txt
-rw-r--r-- 4130 Rakefile
drwxr-xr-x - bin
drwxr-xr-x - examples
drwxr-xr-x - lib
drwxr-xr-x - scripts
-rw-r--r-- 36162 setup.rb
drwxr-xr-x - specs
drwxr-xr-x - test
drwxr-xr-x - website
drwxr-xr-x - ztargets