Also added ISourceMod::GetModFolderName() for returning the name of the mod directory by itself
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extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40702
fixed plugin listeners being removed before a OnPluginUnloaded Call_AskPluginLoad
removed some virtuality
all cached ptrs using the Stack system are freed now
--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40647