using sp_get and replacing strlen with sizeof
strncmp for test pass
Update clear test to use keys longer than 8 chars
sizeof not to be used
Merge branch 'fix/clear-db' of https://github.com/sphia/sphia into fix/clear-db
Use strlen, not sizeof
ocd
Force NUL on returned values
Merge pull request #58 from sphia/fix/clear-db

using sp_get and replacing strlen with sizeof