Stig-parser

Fixed

* ([37](https://github.com/pkeech/stig_parser/issues/37)) Resolved Issues Concerning STIG Rules with Multiple CCIs. Credit: gregelin

Added

* `extract_stig` function to extract the manual stig from a STIG ZIP.
* `convert_stig` function to convert a STIG ZIP to a STIG JSON file.
* `generate-ckl` function to generate a blank checklist object based upon the STIG passed to it.
* `generate_ckl_file` function to generate a blank checklist based upon a checklist object passed to it.
* Additional fields to STIG JSON object;
* VulnID
* RuleID
* StigID
* Severity
* Cat
* GroupTitle
* RuleTitle
* Description
* FalsePositives
* FalseNegatives
* Documentable
* Mitigations
* SeverityOverrideGuidance
* PotentialImpacts
* ThirdPartyTools
* MitigationControl
* Responsibility
* IAControls
* CheckText

Changed

* Standardized Variable Names.
* Standardized JSON output Variables.

Added

* Updated README
* Additional fields to STIG JSON object;
* Release Info
* Source
* Notice
* Classification
* CCI Number
* STIG ID
* Rule ID

Added

* Updated logic to handle parsing of new STIG schema. Resolved Issue [3](https://github.com/pkeech/stig_parser/issues/3).

Added

* Initial Release of STIG Parser