* Add lookup commands
* main ETF commands
* Add technical analysis to ETF
* add prediction techniques to ETF
* add comparison analysis to etf
* allow to select nr of holdings on load
* add shold and summary commands to ETF
* minor improvs
* screener on ETF menu
* add etf/scr wsj commands
* readd compare command
* add sbc to etf/screener
* rename chold and shold
* fix rogue etf and reset
* minor corrections
* minor menu print improv
* legend of weights and title of plot
* refactor screener to screener and disc on ETF
* add ETF scripts
