Prepare release v1.7.4
Prepare release v1.7.4

cdinger/oracle-enhanced,cdinger/oracle-enhanced,rsim/oracle-enhanced,luke2237/oracle-enhanced,luke2237/oracle-enhanced,ifad/oracle-enhanced,ifad/oracle-enhanced,rshell/oracle-enhanced,ifad/oracle-enhanced,yahonda/oracle-enhanced,rshell/oracle-enhanced,rsim/oracle-enhanced,yahonda/oracle-enhanced