chanopt: Ensure values are 0-2
If chanopt was set to any other value it would overwrite other values in the plugin API for channel flags.
Don't flush the chanopt_list when saving it
Closes #1665 Fixes #1134
plugin: Fix padding for chanopts in channel flags
This is an API break but it didn't really work
properly before anyway.
Fixes #1666- Use GPtrArray everywhere - Remove unessary NULL checks - Make use of g_clear macros - Use g_str_has_suffix
This is still rather old but does drop Ubuntu 12.04 support.
configure: Bundle ax_python_devel.m4
Upstream broke API so older distributions have broken system versions
Fixes #1632installer project needs to depend on lua plugin project.
Fixed warning from MSVC that not all branches return a value.