add object serialization
Merge branch 'master' of https://github.com/jsmeredith/EAVL
object serialization
Add tests for serialization.
Fix compiler errors.
Add serialization tests.
adding current/testserialize directory (note the crucial .gitignore trick).
increase precision in PrintSummary(). This helps with the test suite on various platforms.
reduce precsion in PrintSummary to 4, rebaseline all the tests.
make recenter not divide by zero.
updating baselines with zeroes instead of nans.