Feat sep.names

[iago-pssjd]

Feature for read.xlsx: sep.names allows choose other separator than '.' for variable names with a blank inside

[codecov[bot]]

Codecov Report

Merging #480 into master will decrease coverage by 0.08%. The diff coverage is 77.77%.

@@            Coverage Diff             @@
##           master     #480      +/-   ##
==========================================
- Coverage   60.23%   60.14%   -0.09%     
==========================================
  Files          30       30              
  Lines        7142     7146       +4     
==========================================
- Hits         4302     4298       -4     
- Misses       2840     2848       +8

Impacted Files	Coverage Δ
R/wrappers.R	42.61% <ø> (ø)	:arrow_up:
src/openxlsx_init.c	0% <ø> (ø)	:arrow_up:
src/read_workbook.cpp	90.61% <100%> (-0.33%)	:arrow_down:
R/helperFunctions.R	75.56% <100%> (ø)	:arrow_up:
R/workbook_read_workbook.R	88.88% <66.66%> (-0.38%)	:arrow_down:
R/readWorkbook.R	82.94% <75%> (-0.15%)	:arrow_down:
src/write_data.cpp	61.06% <0%> (-3.5%)	:arrow_down:
src/write_file.cpp	88.57% <0%> (-0.09%)	:arrow_down:
src/load_workbook.cpp	89.93% <0%> (-0.07%)	:arrow_down:
... and 1 more

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[ycphs]

I implemented your PR in my new fork of the repository https://github.com/ycphs/openxlsx

[iago-pssjd]

Thank you!