Did the Eleventh Circuit exceed the limited scope of 28 USC §2253, the Certificate of Appealability (COA) statute, by deciding Petitioner's underlying §2255 claims lacked merit and using that finding to deny the COA?

QUESTION(S) PRESENTED Question #1 Did the Eleventh Circuit exceed the limited scope of 28 USC §2253, the Certificate of Appealability (COA) statute, by deciding Petitioner's underlying §2255 claims lacked merit and using that finding to deny the COA? Question #2 Did the Eleventh Circuit err when it failed to address either the debatability or the merits of Petitioner's three procedural claims? Question #3 Did the Eleventh Circuit err in finding that Petitioner's underlying substantive issues lacked merit?