Merge pull request #8 from wlmcewen/master

API-1997 BNF Doc
Standard fields can contain, but not begin with, a number.

Previously the legit field `PostalCodePlus4` was tokenized as
PostalCodePlus.
Merge pull request #9 from joshcom/master

Standard fields can contain, but not begin with, a number.
Bumped version v0.3.5
Bumped version v0.3.6
AC-1079 added support for functions in lists and ranges