Allow a "SchemaDocument object to be created, which can be written to incrementally using save_taxon_xml()
XML footer is written when object is destroyed.
Merge pull request #50 from hyanwong/incrementalSchemaDocument

Allow a "SchemaDocument" object to be created, which can be written to ...
Merge pull request #51 from eliagbayani/master

DATA-939, DATA-1087 Downweight NatureServe's maps and Distribution articles.
merging Yans code
Merge branch 'master' of github.com:EOL/eol_php_code
A few tweaks to the latest commit