mappings/VegCore-VegBIEN.csv: infraspecific taxonomic terms: Removed mappings to first-class taxonconcept fields because these terms are now stored in their own taxonconcepts, or in the lowest-level taxonconcept as the taxonname and rank

mappings/VegCore-VegBIEN.csv: higher-level taxonomic terms: Removed mappings to first-class taxonconcept fields because these terms are now stored in their own taxonconcepts

schemas/vegbien.sql: taxonconcept: Merged taxonconcept_unique_within_creator_by_name unique index into taxonconcept_unique_within_parent, placed parent_id first, and removed index condition, so that this index can be used as a lookup index by taxonconcept_update_ancestors() (which requires no index condition in order to apply to all taxonconcepts) in addition to as a unique index. Note that an index condition should not be necessary for the index's uniquifying task, because if a set of taxonconcepts provides only the identifyingtaxonomicname, that should collide in the taxonconcept_unique_within_creator_by_identifying_name unique index before this index collides. This assumes that the collision order when multiple indexes collide is alphabetical by the index name.

schemas/vegbien.sql: taxonconcept: taxonconcept_required_key check constraint: Also allow a taxonconcept to have just an author when it has a parent_id, so that an author can uniquely identify a taxon within a more general taxon, such as a species name, that has no author

strings.py: concat(): Fixed bug where end index of returned str0 portion would wrap around to a negative number if str1 itself was too long, causing incorrect truncation

schemas/vegbien.sql: taxonconcept: Renamed taxonconcept_unique_within_parent to taxonconcept_unique because the index does not apply only to taxonconcepts with a parent, and because it's the primary unique index for taxonconcept

schemas/vegbien.sql: taxonconcept: Renamed taxonconcept_unique_within_creator_by_identifying_name to taxonconcept_0_unique_identifying_name to ensure that it is always applied before taxonconcept_unique_within_parent if both collide

schemas/vegbien.sql: taxonconcept: Merged taxonconcept_unique_within_creator_by_name unique index into taxonconcept_unique_within_parent, placed parent_id first, and removed index condition, so that this index can be used as a lookup index by taxonconcept_update_ancestors() (which requires no index condition in order to apply to all taxonconcepts) in addition to as a unique index. Note that an index condition should not be necessary for the index's uniquifying task, because if a set of taxonconcepts provides only the identifyingtaxonomicname, that should collide in the taxonconcept_unique_within_creator_by_identifying_name unique index before this index collides. This assumes that the collision order when multiple indexes collide is alphabetical by the index name.

mappings/VegCore-VegBIEN.csv: taxonconcepts: Also create the taxonconcept tree for taxonconcepts created from original*, verbatim*, and accepted* taxonomic terms

mappings/VegCore-VegBIEN.csv: taxonconcepts: Also create the taxonconcept tree if datasource provided separated components of the taxonomic name and/or its own tree of life with higher classifications. This enables storing the datasource's own tree of life to supplement any official tree (TROPICOS, USDA, etc.).