Added new tests and bugfixes
Also replaced buggy OTAssetContract::formatLongAmount with
a much simpler and clearer version by using streams.
Merge pull request #95 from BugFreeSoftware/ot_test3

Added new tests and bugfixes
Added new tests and bugfixes
Also replaced buggy OTAssetContract::formatLongAmount with
a much simpler and clearer version by using streams.
Added more negative tests and fixed bugs