#53 Only store command in history buffer when changed

已合併

shimatta 於 5 年之前將 6 次代碼提交從 shimatta/feature/#52-only-store-new-commands-in-history合併至 shimatta/develop

作者	SHA1 備註	提交日期
prozessorkern	c7f238c005 fixed comments	5 年之前
prozessorkern	0b0a52d898 fixed the history buffer when there is an overflow	5 年之前
prozessorkern	e6b45952b3 added tests for shellmatta_history and improved documentation	5 年之前
prozessorkern	438e4c4d76 fix dirty flag	5 年之前
prozessorkern	ded69bc1f4 make mario happy	5 年之前
prozessorkern	88c33895f6 added check if the current entered command matches the last command in the history buffer - if the command is already stored it will not be stored again	5 年之前