David Symonds 3cc702ba60 Initial cut at an "exported variables" (exvar) package.
This handles integer-valued vars in a singleton struct, and exports functions
for incrementing, setting and getting those vars, as well as rendering all the
vars in a standard format.

Demonstrate the use of the exvar package in the http/triv server.

R=dcross,r
APPROVED=r
DELTA=122  (122 added, 0 deleted, 0 changed)
OCL=27617
CL=27622
2009-04-19 21:17:27 -07:00
2009-04-19 20:04:15 -07:00
2009-04-19 21:12:48 -07:00
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