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    Correct error in how additional global and non-persistent groups are added,... · 9f98ee18
    Erick Hitter authored
    Correct error in how additional global and non-persistent groups are added, which corrupted the arrays holding those groups.
    
    In 868c0a8c, I blindly copied two missing functions from another object caching plugin, not paying enough attention to how that plugin managed the data versus how this plugin does. As a result, the arrays of groups had some entries keyed by the group, others were unkeyed and the value represented the group.
    9f98ee18