Release/0.5.0

[greg-el]

• Make testTrackerInit version use TRACKER_VERSION (Make testTrackerInit version use TRACKER_VERSION #110)
• Install composer programmatically (Install composer programmatically #108)
• Add PHP 7.4 and 8.1 to CI build (Add PHP 7.4 and 8.1 to CI build #107)
• Fix build on ARM (Fix build on ARM #102)
• Add a setter for session ID on a subject (Add a setter for session ID on a subject #105) (Thanks to @TijmenWierenga)
• Allow log dir to be overridden for FileEmitter (Allow log dir to be overridden for FileEmitter #106) (Thanks to @EricTendian)
• Update all copyright notices (Update all copyright notices #113)

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[coveralls]

Coverage increased (+0.09%) to 89.03% when pulling 1ad62d8 on Release/0.5.0 into 530ba8f on master.

[coveralls]

Coverage increased (+0.1%) to 89.065% when pulling 6c1db9b on Release/0.5.0 into 530ba8f on master.

[matus-tomlein]

Great release!

Maybe it'd also be worth updating the years in copyright headers in files to 2022 in this release?

[matus-tomlein]

LGTM!