v0.1.0 : First official release

• adding licensing info
• updated repo url
• relaxed constraints for start-stop fields
• updated documentation for synonymous variant
• add unofficial (yet frequenly used) version of synonymous variant syntax
• readme added
• Rd2pdf generated
• multimutant support for builder
• more functions for HGVS builder + documentation
• first steps towards building HGVS strings
• added support for multi-mutants