v1.3.11, add -Oa option to all snmpwalk/snmpget command

Version 1.3.7

2012-09-25
Fix spelling mkstakes of help msgs.

Version 1.3.6

2012-09-25
Fix bug of Conversion K to M. With bps use 1000, with B/s use 1024;

Version 1.3.5

2012-09-04
Give out more suitable help messages when can not get the interface index. Thanks to Jack.

Version 1.3.3

2012-08-16
1)Fix some spelling mistake;
2)Add support with multi hosts and multi interfaces checks.

Version 1.3.2

2012-08-15
Add -N args support with multi interface checks

Version 1.3.1

2012-08-13
Fix history data time update bug.