- when opening pdf, jump directly to page
- ability to set the WHERE condition (allow editing the SQL query)
- Scale factors
- Abort running pdf preview generation when we search for something new
- Index .ebup
- Preview for: .txt, source code files, .ebup, images
- Stats: Number of results found
- PdfPreview: Files per file, or directory (so basically filter the 
results)
- PdfPreview: Remove arbitrary limit of 300 
-Tagging: add an "addtag" utility, to assign tags to folder and files
-gui: Search expclitly for tags, list by tags, remove tags, add tags