v1.3.0

• Enable JSON Path style AsciiBib keys: #97
• Remove strict latexml check: #96
• Fix PlantUML execution under Windows: #96
• Defensive programming for incomplete references fetched from Relaton (missing title or docidentifier): #99
• Refactor bibliography rendering: renumber numbered bibliography entries in sequence, introduced "metanorma" as type of docidentifier used for numeric references, have stub for sorting bibliography references: metanorma/isodoc#114