Post-v6 Release

Improvements
#756 - detect sikulix requirement in exist() / present() / visible()
#834 - added 'text using ocr' to exist() & present() functions
#812 - 'typing' in non-English when using visual automation
#843 - easier calling of clipboard() function to put text
#888 - no longer needed to escape single quote (\')
#892 - auto-detect chrome.exe location on Windows

Bug Fixes
#750 - exit gracefully on Windows if .tag extension is not used
#763 - fix some edge case errors for Python-style indention
#778 - fix indentation issue when calling subflows with tagui
#890 - fix hangs issue with latest headless Chrome version
#893 - correct docs that user parameters only p1-p8, not p9

General
#731 - tagui command to return errorlevel 1 if flow errors out
#776 - restore R integration due to R supporters' request
#841 - csv_row() now also supports numbers as inputs
#885 - bring back quiet mode with -quiet / -q options
954d3b8 - deprecate distribution thru npm install tagui

This is a post-v6 release collating all improvements and bug fixes since the v6 release in Mar 2020. Enjoy!

The goal is to tie up any loose ends, to take on TagUI roadmap 2021 - Cloud, MS Word, AI Recorder, UI etc