- made chdir use FS.chdir
 - changed direct references to FS.currentPath to use FS.cwd()
 - fixed mountpoint resolving in mount
 - added async FS.syncfs
 - added idbfs and nodefs
 - minor coding convention fixes
- updated several unistd tests to test against NODEFS
=== in isLocalVar
better check for when things need quoting
improve processMathOp quoting
debugging stuff
intertyper fast paths setup and proof of concept
fast-path simple geps
fix fast path regexp
fast-path simple loads
restructure fast paths code flow
better relooper load error
fix load fast path regexp
clean up intertyper paths fork
improve intertyper profiler
make sure to only fast-path stuff we expect
 - added test for FS.syncfs functionality
 - added basic nodefs r/w test
Merge pull request #1601 from inolen/idbfs

NODEFS and IDBFS support