bugfix: use crc23 to choose a memcached server
bugfix:_query method added function string
Merge pull request #40 from polidog/feature/DB_PEAR__query

Feature/db pear  query

thx. polidog
ethna clear-cache -a するとエラーが出たので修正。
fixed: quote table name

an error occurred when using sql keyword in table name without escape.
Merge pull request #41 from ucchee/develop

ClearCache.php

thx. ucchee
Merge pull request #42 from nulltask/patch-db-pear-fix

テーブル名に SQL の予約語を使うと特定の条件下でエラーするのを修正

thans. nulltask
fix spec to return "0 or Ethna_Error"
Merge pull request #48 from DQNEO/feature/fix-DB-connect

Unified the comment and implementation of Ethna_DB_*
Merge pull request #27 from DQNEO/feature/bugfix-_getMemcacheInfo

Fix: balancing multiple servers by cache_key not work
Remove layout flag from view class of application skeleton.
fixed: trailing whitespaces and newline character.