Merge pull request #385 from forumbyr/master

update comments.
Merge pull request #389 from forumbyr/master

fix bug:handler re init error.
Merge pull request #390 from forumbyr/master

fix bug:text format error.
add com.ibm.icu jar
add caseFold and test
add foldCase in controller
delete lowercase
Merge pull request #396 from forumbyr/master

update project base URI: remove /.wellknown/rdap
Merge pull request #398 from forumbyr/master

rate limit - change prop from milli seconds to seconds
Merge pull request #399 from forumbyr/master

modify
Merge pull request #400 from forumbyr/master

fix bug: command param problem
Merge pull request #401 from forumbyr/master

fix bug: query type parse problem
Merge pull request #395 from wade1012/dev

add com.ibm.icu jar
fix bug: unicode url problem