#19 fix #18 added length check in command parser

已合并

shimatta 于 5 年之前将 1 次代码提交从 shimatta/bugfix/#18-lengt-of-commands-not-checked合并至 shimatta/develop

作者	SHA1 备注	提交日期
prozessorkern	21212d05b8 determine the length of the input command abd compare the length with the length of the known commands	5 年之前