keypress 1.3.0

• Allow turning echo off for non-blocking Linux and macOS terminals (#11, @weshinsley)
• Support non-blocking press on Windows (Rterm)
• keypress() now returns NA if no key was pressed in non-blocking mode, as it is documented.

1.2.0

• Support RStudio terminal.
• Better detection of support in Emacs.

1.1.1

• Use native routine registration to avoid R CMD check warnings.
• Make sure compilation units are not empty, to avoid another R CMD check warning.

1.1.0

• Non-blocking reads.
• Better reading individual keys from a copy-paste, or the OS buffer in general.

1.0.0

First released version.