Added optional config inclusion
Merge pull request #19 from chrisfilo/enh/saveworkflow

Added optional config inclusion
ENH: external import functionality in utility.Function and underlying support code
TEST: new tests for Function interface updates
DOC: Function docs and CHANGES updates for external imports
Clearing out some debugging print code
fix: updated transforms
Improved documentation
changelog
added custom filename support for workflow saving
added missing rst
Merge pull request #551 from mwaskom/enh/function_imports

ENH Increased flexibility in Function interface
Interface for 'Mode' of diffusion tensor maps
Updated Tensor Mode interface to use latest dipy tensor code
Documentation updates, PEP8, reworked output naming
Updated CHANGES
Merge pull request #20 from chrisfilo/enh/saveworkflow

Enh/saveworkflow
Added Ennis citation to class documentation
Fixed package_check for dipy tensor mode interface
fix: resolved conflict