Release v0.8.0

Changes

• require R 3.4.0 or above
• a major refactoring of io code
• use R_ToplevelExec to evaluate R_ParseVector
• catch error for getParseData when rendering script
• refactor conversion code
  • better support of Nulls and Nullable
  • support CategoricalArray and depcreate PooledDataArray
  • deprecate NamedArray
  • rcopy an interger sclar or array always in Int64
  • rcopy would copy R vector of length 1 as julia scaler
    - R" " macro now fully supports unicode (require R 3.4 or above)
• drop Julia v0.5 support
• fix deprecation dewarns

Contributors:

• Randy Lai