This presents the URI history in a useful dialog where URIs are sorted into today, yesterday, last week, etc. The URI history is stored in AUTOPLOT_DATA/bookmarks/history.txt. Times in the history file in UT, not the local time. This useful dialog needs to be rewritten. See https://sourceforge.net/p/autoplot/bugs/1019/
Creates new form RecentUrisGUI
this should be called once with "" to initialize