Latest stable version does not allow "append=true" option

[mwsohn]

Here's the error message:

ERROR: MethodError: no method matching write(::String, ::DataFrame; append=true)
Closest candidates are:
write(::AbstractString, ::Any; description, metadata) at C:\Users\mwsoh.julia\packages\Feather\pbm3o\src\sink.jl:30 got unsupported keyword argument "append"
write(::AbstractString; kwargs...) at C:\Users\mwsoh.julia\packages\Feather\pbm3o\src\sink.jl:10
write(!Matched::IO, ::Any; description, metadata) at C:\Users\mwsoh.julia\packages\Feather\pbm3o\src\sink.jl:11 got unsupported keyword argument "append"
Stacktrace:

kwerr(::NamedTuple{(:append,),Tuple{Bool}}, ::Function, ::String, ::DataFrame) at .\error.jl:157
top-level scope at h:\Julia\CSVext\CSVhuge.jl:77
include_string(::Function, ::Module, ::String, ::String) at .\loading.jl:1088
ERROR: MethodError: no method matching write(::String, ::DataFrame; append=true)
Closest candidates are:
write(::AbstractString, ::Any; description, metadata) at C:\Users\mwsoh.julia\packages\Feather\pbm3o\src\sink.jl:30 got unsupported keyword argument "append"
write(::AbstractString; kwargs...) at C:\Users\mwsoh.julia\packages\Feather\pbm3o\src\sink.jl:10
write(!Matched::IO, ::Any; description, metadata) at C:\Users\mwsoh.julia\packages\Feather\pbm3o\src\sink.jl:11 got unsupported keyword argument "append"
Stacktrace:

kwerr(::NamedTuple{(:append,),Tuple{Bool}}, ::Function, ::String, ::DataFrame) at .\error.jl:157
top-level scope at h:\Julia\CSVext\CSVhuge.jl:77
include_string(::Function, ::Module, ::String, ::String) at .\loading.jl:1088
Closes call of Feather.write