Null check modules on loadexec.

Should fix #6552.
Oops, would still infinite loop on a bad module.

Should really fix #6552 this time.
Improve frame timing on non-Windows. Disable IdleTiming when audio is disabled.
Merge pull request #6555 from xsacha/timing2

Improve frame timing on non-Windows.
Travis fix.
Remove debugging output for git-version.
Fix a bad == comparison typo.
Fix some logging in sceNetAdhoc.