0.90

• added unicode support
• switched to espeak-ng by default
• Added support for indexing
• added support for setting ALSA volume in addition to espeak volume
• added support for pitch range configuration
• started passing '\n' to espeak-ng too for e.g. proper pause
• added support for audio card releasing when the Linux console is switched to
  a graphical VT.
• made empty voice name select the default voice
• added systemd unit
• switched to meson instead of make
• updated man page
• fixed speaking spaces
• fixed broken speech when buffer size is too small #9
• fixed abuffer overflow when a long language specifiers (for example
  en-us+michel) is past to --default-voice #13
• added clang-format for code styling