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.
Adds option to exclude nimcache dirs from time machine backups.
Allow QUEUED reply only if pipelined; don't return status replies from flushPipeline; Rewrite someTests
delete extra statement from debugging
Merge pull request #1100 from gradha/pr_excludes_nimcache_from_backups

Adds option to exclude nimcache dirs from time machine backups.
Additions and clarifications to tutorial 1.
Fixes collections/ttables.
Improves tobjasgn test.