* use C89 style and fix perror invalid
* Merge branch 'master' of https://gitee.com/yitter/idgenerator
* 代码优化，注释掉不用的代码
* 增加版权信息
* Merge branch 'master' of https://gitee.com/yitter/idgenerator
* Merge branch 'master' of https://gitee.com/yitter/idgenerator
* 1.php extension add more check
* update readme
* fix min_seqnumber default value
* Merge branch 'master' of https://gitee.com/yitter/idgenerator
* fmt v code
* update php&vlang readme file
* Merge branch 'master' of https://gitee.com/yitter/idgenerator
* Merge branch 'master' of https://gitee.com/yitter/idgenerator
* 更严格的默认配置
* fix worker max num
* changed property num named wid_num
* Merge branch 'master' of https://gitee.com/yitter/idgenerator
* 修复MaxSeqNumber判断
* Merge branch 'master' of https://gitee.com/yitter/idgenerator
* fix init return
* Merge branch 'master' of https://gitee.com/yitter/idgenerator
* add README.md
* always lock
* fix shared memory addr
* use share memory
* fix malloc
* add make file
* add php ext
* Merge branch 'master' of https://gitee.com/yitter/idgenerator
* Merge branch 'master' of https://gitee.com/yitter/idgenerator
* Merge branch 'master' of https://gitee.com/yitter/idgenerator
* Merge branch 'master' of https://gitee.com/yitter/idgenerator
* Merge branch 'master' of https://gitee.com/yitter/idgenerator
* use lock and bit operation