Added original X12-1.1.0 source
Fixed spelling and field name error for ISA header
Added 271 specification, modified a few segment specifications to match what is used by the 271. Also added test parse and factory classes for 271.
Fixing up the 270 xml file to be in line with X12 270 5010 specs
Updated 271 specification with missing segments
Moved out of src directory
Merge branch 'develop' of github.com:medSage/x12 into develop
Added gemspec stuff
Namescope for REXML document Comment class clashing
Testing not including REXML
Removed include and require for REXML
Added a debug for printing working directory
Added test file for SI
corrected filename casing
Improved xml definition loading to fall back to gem definitions if local definition cannot be found.  RB:JF & JL
Added constant colon delimiter to ISA xml file
Added method that pads content fields that require a fix width and also fills in required fix width fields with blanks.

RB: SI
Added method that returns the number of times a segment will be repeated.

RB: SI
Added a segment that will indicate a relationship to the subscriber other than self
Altered segment that indicates a relationship other than subscriber to only include necessary information