Update Installation and Usage' section

Update 'Script download' url

Update 'Installation and Usage' section

Update 'Switch-opened-windows-of-same-App' logic to support 'process and class' method

Update "How it works" section on Readme

Add comment note clarifying script files connection

Update README.md to improve wording and clarify version compatibility

Refactor "Switch-opened-windows-of-same-App" script to use 'process and class' method for Apps and 'title method' for Web Apps/Shortcuts

Update logo to include border

Merge branch 'master' of https://github.com/JuanmaMenendez/AutoHotkey-script-Open-Show-Apps

Merge pull request #12 from gayashanbc/patch-1

Add .gitignore file

Update windows switching script to use active process and class

Update "Open gmail" example

Update README.md