Repair data type conversion (Oracle to Postgres) errors
Merge pull request #11 from thehyve/issue/ora_to_pg_data_type_conversion

Should be fine.
Merge branch 'master' into improvements/proteomics_to_postgres

Conflicts:
	ddl/postgres/deapp/de_subject_protein_data.sql
Use perform instead of select for error reports

- Also add more of error hanling statments