Add variable `*parse-json-null-as-keyword*'. Alter functions `parse-constant' and `parse' to accomodate new variable. Update relavant portions of doc.xml to reflect changes.
Minor doc fix.
Export *parse-json-null-as-keyword* and :NULL.
Merge pull request #14 from mon-key/master

issue 13 - Feature Request - enable yason:parse to parse JSON null as the keyword :NULL
fix brittle test that depended on hash table ordering (fixes #15)
Merge branch 'master' of github.com:hanshuebner/yason
bump version number
release 0.5.0
use and include improved clixdoc.xsl
post-release shell script to implement custom project homing
get margins right and add abstract text
.pre/.post-release shell scripts for release support
bump version to 0.5.1
update html doc
release 0.5.1
change tarball location in documentation
release 0.5.2
modify encode-alist and encode-plist to allow string keys
Merge pull request #16 from llibra/master

Modification of encode-alist and encode-plist for string keys.
remove json nickname