Wrap the error reporting function of ReadStat to provide more

[andreasnoack]

informative error messages.

julia> read_sas7bdat("brokenfile.sas7bdat")
ERROR: Error parsing brokenfile.sas7bdat: Unable to convert string to the requested encoding (invalid byte sequence)
Stacktrace:
 [1] error(s::String)
   @ Base ./error.jl:33
 [2] parse_data_file!(ds::ReadStatDataFrame, parser::Ptr{Nothing}, filename::String, filetype::Val{:sas7bdat})
   @ ReadStat ~/.julia/dev/ReadStat/src/ReadStat.jl:287
 [3] read_data_file(filename::String, filetype::Val{:sas7bdat})
   @ ReadStat ~/.julia/dev/ReadStat/src/ReadStat.jl:261
 [4] read_sas7bdat(filename::String)
   @ ReadStat ~/.julia/dev/ReadStat/src/ReadStat.jl:293
 [5] top-level scope
   @ REPL[5]:1

instead of just ERROR: Error parsing brokenfile.sas7bdat: 17

[davidanthoff]

Thanks!

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 78.61%. Comparing base (7fc3249) to head (466128a).
⚠️ Report is 18 commits behind head on master.

Files with missing lines	Patch %	Lines
src/ReadStat.jl	50.00%	1 Missing ⚠️
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Additional details and impacted files

@@            Coverage Diff             @@
##           master      #80      +/-   ##
==========================================
- Coverage   78.98%   78.61%   -0.37%     
==========================================
  Files           2        2              
  Lines         157      159       +2     
==========================================
+ Hits          124      125       +1     
- Misses         33       34       +1     

Flag	Coverage Δ
unittests	78.61% <50.00%> (-0.37%)	⬇️

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