Redis: optional pipelining and better tested transactions
Don't need ref string; use PPipeline instead of ref TPipeline
factor per comments
delete echo statements used for debugging
new concurrency model: first steps; shared is not a keyword anymore
Avoids idetools crash on nil parameters.
first version of 'spawn'
Added Windows implementation of getFileInfo procedures
Added Posix implementation of getFileInfo, organized code.
Completed Linux/Posix implementation of getFileInfo

Moved parts of getFileInfo into a helper template.
Allowed getFileInfo to accept TFile objects.
Fixed _get_osfhandle declaration.
Added tests for getFileInfo proc.
Allow QUEUED reply only if pipelined; don't return status replies from flushPipeline; Rewrite someTests
delete extra statement from debugging
Additions and clarifications to tutorial 1.
Referential data types may need to be declared.

And other small fixes.
New concurrency model: next steps
marked markAndSweep GC thread safe
Merge branch 'devel' of https://github.com/Araq/Nimrod into devel