input.Makefile: Removed no longer used $(SED)

lib/common.Makefile: Added $(sed)

Factored $(date) out from Makefile, input.Makefile into lib/common.Makefile

sql_io.py: put_table(): DuplicateKeyException: Fixed bug where indexes with conditions needed to have the input rows filtered by the condition, to prevent trying to retrieve an existing/inserted row using a join on the index columns when the index in fact does not apply. This fixes a bug in the import of taxonconcept where the taxonconcept_0_unique_identifying_name unique index has a condition which was not satisfied for input rows with no identifyingtaxonomicname, causing any input row with NULL in this column to match all taxonconcepts with a NULL identifyingtaxonomicname. This uses ignore_cond()'s new support for constraints that did not fail at least once.

sql_io.py: put_table(): ignore_cond(): Added support for constraints that did not fail at least once, and therefore should not be required to simplify to a non-false value. As part of this, only track the failed constraint in the errors table if it actually failed at least once based on the deleted row count or the `failed` param.

sql_gen.py: map_expr(): Fixed bug where names were being replaced when they were inside another name. This occurred with combined names created by sql_io.into_table_name().

sql.py: ConstraintException: message: Wrap condition in strings.as_tt()

sql.py: run_query(): DuplicateKeyException: Also retrieve the index's condition using new index_cond()

sql.py: Added index_cond()

sql_io.py: put_table(): insert_into_pkeys(): Take a query as the param instead of sql.mk_select()'s params, to allow the caller to pass in any query without needing insert_into_pkeys() to manually pass through those args