Search Improvements

I run haroopad on OSX and I wish searching had a few more visual features in the "search panel":

- when typing a keyword it would be nice if it instantly highlighted search results inside the document

- a number showing how many results were found would also be very helpful

- would be nice to have two buttons "Find New" and "Find Preview" (similar to Cmd+G) but without leaving the search panel

- IMO it would be nicer in general if the search panel didn't close when you pressed enter.

- would be nice is the search was case insensitive

PS.I totally love Haroopad!!! It's a piece of art, and I'm so glad it's cross-platform!