readability
Merge pull request #1 from JohnLangford/master

Catch up
faster namespace manipulation
Merge branch 'master' of github.com:JohnLangford/vowpal_wabbit
removed global data structure for inner loop of feature traversals
tweak foreach_feature to minimize time complexity
factored out more things
pulled auto_history logic out of snapshot
print out error when socket can not be opened
Merge branch 'master' of github.com:JohnLangford/vowpal_wabbit
various windows fixes
Merge branch 'master' of github.com:JohnLangford/vowpal_wabbit
fixed nn label saving, un-quieted test
quiet on neural net test (float point accuracy problems)
Merge pull request #229 from jhofman/master

neural nets fixed
test to exercise --nn without --quiet.  Other params are to get a good result.
Change data-set. Will this prove stable with --nn?
unlink temp stdout & stderr files before running the tests - for safety.
require perl 5.014 or later
This _may_ be the 32-bit random failure smoking gun (constant assigned into 'a' truncated from 64 to 32 bit in 32-bit envs)