Logfetch 0.13.0

• rework how grep is done and print files names before matches
• fix -l flag for files in logs folder
• better date range comparing (actual datetime instead of # of days)
• add verbose mode for logfetch/logcat
• fix duplicate lines in logtail when grepping
• allow a full grep command input for logtail like in logfetch/logcat
• fix encoding issue that stops logtail