Merge remote-tracking branch 'amalloy/master'
80-character line cleanup
bump data.json for benchmarking to 0.2.2
typo in changelog
fix incorrect arity exception for custom encode-map and encode-seq
add tests for all custom helpers
update changelog
Release 5.1.1
bump to 5.1.2-SNAPSHOT
bump version to use in readme
fix "YYYY" not being a valid date format on openjdk 6
bump criterium to 0.4.0
bump jackson deps
Add experimental namespace
update readme
remove deleted comments from readme
Release 5.1.2
bump version and update readme
bump tigris to 0.1.1
change '=' to 'identical?' in parser token comparison, seems to yield ~15% performance improvement across benchmarks