v0.2.0

ib 0.2.0

• Enhance documentation with better explanations and fix minor typos.
• Fix typo in summary for negative binomial family.
• Fix an issue in the IB algorithm for updating parameters with positivity constraint.
• Enhance ibControl by allowing control over constraint.
• Enhance simulation for glm by allowing user-defined function.
• Enhance simulation for negative binomial family.
• New feature by exporting the simulation method.
• Enhance by adding the betareg family.
• Enhance the stopping criteria for the IB algorithm.