fix init unit test problem.
Merge pull request #177 from forumbyr/master

fix init unit test problem.
Merge pull request #178 from forumbyr/master

fix init unit test problem - add log & format
Merge pull request #179 from forumbyr/master

fix bug: search entities decode problem
fix bug:
1.network in arpa domain should not contains entities
2.query param should not be truncated before more '?'
3.entity search paging
Merge remote-tracking branch 'cnnic/dev'