Set ouput_bit to 0 instead of cast error
Merge pull request #424 from vmauge/cpuid_default_value

Set ouput_bit to 0 instead of cast error
Fix testing (only requireInstance) for DBHandle once
Fix genapi to support DataType

PR #414 (commit a5ef6a1) changed column type from string to Datatype
Merge pull request #428 from vmauge/fix_genapi

Fix genapi to support DataType
Fix unwind exception catching