Add ability to fetch custom field definitions
Merge pull request #5 from xmacinka/master

Pull from upstream
Merge pull request #4 from theodi/field-definitions

Add ability to fetch custom field definitions
Add user access
include party ID in opportunity
Merge pull request #6 from theodi/users

Add support for Users
add actual close date
Add ability to set expected close date
allow setting duration and duration basis on opportunities
Merge pull request #7 from theodi/close-dates

Improve handling of close dates on opportunities
encode tag names
Merge pull request #8 from theodi/encode-tag-names

encode tag names
Merge pull request #2 from theodi/master

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