The caching mechanism for the token validity checks did not have the
desired effect, and the Twitch channel to user id mapping function was
attempting to resolve names even with an invalid token.
* Remove could lead to the "add" dialog being opened
* Rename could result in some entries not being renamed (due to
FilterComboBox using a QComboBox with setEditable() set to true)
The "core" macro conditions and actions have been extracted out to the
"base" plugin.
The library now mostly contains functionality which is required across
all plugins and (e.g. definitions for macro segments).
The goal is to reduce the complexity and cross-dependencies and group
the source files in a better way.
This should relsove the "library limit of 65535 objects exceeded" build
issue occuring in some Windows build environments.
