Added str() method to XML nodes

Fixed VegX-VegBank mapping syntax error

Added faded beginning of string in Parser syntax errors

Updated mappings Makefile

Added Makefiles for scripts and test

Added mappings Makefile

Added human-readable SALVIAS_db mappings

db_xml.get(): Pass limit through to SQL query

Regenerated human-readable mappings

Fixed documentation for xml_funcs

Refactored xml_dom.set_value() to avoid needing a doc parameter for the XML document

xpath.py: Refactored xml_func.py to avoid needing a doc parameter for the XML document

xpath.py: Refactored to avoid needing a doc parameter for the XML document

Fixed DB input to ignore NULL values

xml_dom.py: Changed all uses of name_of(node) to node.tagName

Made XML node names case-sensitive

mappings to VegBank: Fixed incorrect mappings found after disabling heuristic search for missing fields

test/map: Ignore diff exit status

map: Implemented DB input support for querying a single table

Added SALVIAS_db test accepted output

map: Continued to add DB input support

test/map: Echo command used to import db config

Added support for multiple database engines. Changed SALVIAS_db input to use user-entered password.

map: Allow db config vars to be optional. SALVIAS_db test: Changed to use salvias_plots and XPath mapping syntax.

Renamed SALVIAS_db test input to use organisms table