tsess 0.3

This release brings several new features and bug fixes:

- new `tsess edit` subcommand to open configuration in a text editor
- new TSESS_EDITOR environment variable falling back to EDITOR
- invalid configurations no longer prevent attaching to sessions
- invalid configurations no longer prevent listing sessions
- new `tsess list -a` option to include invalid session configurations
- basic RPM packaging loosely based on Fedora packaging guidelines
- proper support for LDFLAGS, for example coming from package managers
- minor directory leak plugged

SHA-256 fingerprint:

tsess-0.3.tar.gz 007bcb51f00fdd7cb16b420a19da3b9c2b4a0683dc444139b8dbbd80d20d4a6c

The release archive was bootstrapped with the following dependencies:

- autoconf 2.71
- automake 1.16.5
- binutils 2.40
- gcc 13.2.1
- gmake 4.4.1
- hare 0.24.0
- harec 0.24.0
- libtool 2.4.7
- qbe 1.2
- scdoc 1.11.2