Add 13th edition Keys taxonomic codes

[brownag]

For item 1 in #40

• Add ST_higher_taxa_codes_13th
• still needs integration of 13th into other datasets (see #40) and ability to swap versions of data used internally

The 13th edition of the Keys to Soil Taxonomy introduces the following new taxa and codes. These are not yet available in the NASIS metadata.

taxon	code
Thapto-Humic Fibristels	AACC
Limnic Hemistels	AADB
Thapto-Humic Hemistels	AADD
Limnic Sapristels	AAEB
Thapto-Humic Sapristels	AAED
Thapto-Humic Historthels	ACAC
Thapto-Humic Aquorthels	ACBI
Thapto-Humic Haplorthels	ACHC
Terric Frasiwassists	BBAA
Terric Sulfiwassists	BBBA
Terric Haplowassists	BBCB
Lithic Sulfisaprists	BDBA
Thapto-Humic Aquicambids	GGAG
Thapto-Humic Haplocambids	GGCQ
Thapto-Humic Cryaquolls	IBAH
Thapto-Humic Epiaquolls	IBFI
Thapto-Humic Endoaquolls	IBGJ
Fluventic Haplogelolls	IDAG
Pachic Haplogelolls	IDAH
Thapto-Humic Haplocryolls	IEFG
Thapto-Humic Haploxerolls	IFFL
Thapto-Humic Haplustolls	IGGS
Thapto-Humic Calciudolls	IHBE
Thapto-Humic Hapludolls	IHFJ
Densiaquepts	KAE
Aeric Densiaquepts	KAEA
Humic Densiaquepts	KAEB
Typic Densiaquepts	KAEC
Thapto-Humic Gelaquepts	KAFD
Limnic Cryaquepts	KAGF
Thapto-Humic Cryaquepts	KAGH
Thapto-Humic Humaquepts	KAID
Thapto-Humic Epiaquepts	KAJC
Thapto-Humic Endoaquepts	KAKE
Thapto-Humic Humigelepts	KBAE
Thapto-Humic Dystrogelepts	KBBD
Thapto-Humic Haplogelepts	KBCD
Thapto-Humic Humicryepts	KCAG
Thapto-Humic Dystrocryepts	KCCG
Thapto-Humic Haplocryepts	KCDI
Thapto-Humic Dystrustepts	KDDG
Anthrodensic Haplustepts	KDEI
Anthroportic Haplustepts	KDEJ
Thapto-Humic Haplustepts	KDEO
Thapto-Humic Humixerepts	KECG
Thapto-Humic Dystroxerepts	KEEG
Thapto-Humic Haploxerepts	KEFM
Densiudepts	KFD
Aquic Densiudepts	KFDA
Humic Densiudepts	KFDB
Typic Densiudepts	KFDC
Thapto-Humic Humudepts	KFEG
Thapto-Humic Eutrudepts	KFFI
Anthrodensic Dystrudepts	KFGD
Anthroportic Dystrudepts	KFGE
Thapto-Humic Dystrudepts	KFGK
Humic Fluic Frasiwassents	LAAA
Humic Frasiwassents	LAAB
Fluic Frasiwassents	LAAC
Thapto-Humic Frasiwassents	LAAG
Thapto-Humic Psammowassents	LABC
Thapto-Humic Sulfiwassents	LACD
Thapto-Humic Hydrowassents	LADE
Thapto-Humic Fluviwassents	LAED
Histic-Haplic Sulfaquents	LBAA
Thapto-Humic Sulfaquents	LBAE
Fluventic Sulfaquents	LBAF
Thapto-Humic Hydraquents	LBBD
Thapto-Histic Psammaquents	LBEF
Thapto-Humic Psammaquents	LBEG
Fluventic Psammaquents	LBEH
Thapto-Humic Fluvaquents	LBFD

[brownag]

Merging, will follow up on integration as other TODO items in #40