develop

[saramonzon]

Closes #364

• fixed header n table extraction info add
• fixed molecule use for for sample continues on
• removed left import pdb
• fix tag name for iem version in samplesheet
• fix if when checking library selection for pool
• fixed code when error, bad render variables
• fixed error message when duplicated indexes in pull, improve def output
• changed ontology for sample name from sequencing_sample_id to unique_sample_id