Fixes #10: Stop demoting doubles to float to make JSON parser happy.
Fixes #10: Stop demoting doubles to float to make JSON parser happy.

NSDecimalNumber "description" is the closest thing we will get to an
arbitrary precision number in JSON, so lets use it.

Signed-off-by: Jimi Xenidis <76b363d276dba42912c2eb4a024728f40d1d8033@pobox.com>

jimix/CDTDatastore,jimix/CDTDatastore,jimix/CDTDatastore