Adapt to b2mn.dat parser to handle irregular files, with specific flags to each run

[sbdepascuale]

When reading KSTAR (PRad_2D_Scan) for EQ g019077.005000 with:

ids = SOLPS2IMAS.solps2imas(b2gmtry, b2output, gsdesc, b2mn)

Results in error:

BoundsError: attempt to access 0-element Vector{SubString{String}} at index [0]

Stacktrace:
[1] getindex
@ ./essentials.jl:13 [inlined]
[2] read_b2mn_output(filename::String)
@ SOLPS2IMAS ~/Dropbox/Home/Workspace/Github/ProjectTorreyPines/SOLPS2IMAS.jl/src/parser.jl:46
[3] solps2imas(b2gmtry::String, b2output::String, gsdesc::String, b2mn::String; load_bb::Bool)
@ SOLPS2IMAS ~/Dropbox/Home/Workspace/Github/ProjectTorreyPines/SOLPS2IMAS.jl/src/SOLPS2IMAS.jl:97
[4] solps2imas(b2gmtry::String, b2output::String, gsdesc::String, b2mn::String)
@ SOLPS2IMAS ~/Dropbox/Home/Workspace/Github/ProjectTorreyPines/SOLPS2IMAS.jl/src/SOLPS2IMAS.jl:88
[5] top-level scope
@ In[123]:1

The heading begins with:

label (lblmn: character60)
'template, 5.2 switches'
*b2cmpa basic parameters
*b2cmpb boundary conditions
*b2cmpt transport coefficients
*cflim cflme cflmi cflmv cflal cflab ... (not used)
' -1' 0.15 0.5 0.5 0.5 0.5 0. 0. 0.
*endphy

[anchal-physics]

This was fixed in ProjectTorreyPines/SOLPS2imas.jl#23

Please reopen if the issue persists.