New version of plugin won't appear on plugins list in admin interface

New version of plugin (0.6.1) won't appear on plugins list. I have vanilla 2.0.13 installed.
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Are you sure default.php and the other files are in /plugins/QuoteSelection/ ?
Also, try deleting the ini files in your cache folder. Probably unrelated but won't hurt anything.
2. Absolutely, yes
3. I did that, didn't help
One odd thing: I looked at the readme file to find the version number and it says "Quote Selection plugin version 0.6 for Vanilla 2".
/cd
/cd
Specifically the file located here: /plugins/QuoteSelection/default.php it's permission was set to 600 and after I changed it to 644 the QuoteSelection plugin showed up in my plugin dashboard. THANKS!