[Eeglablist] use pop_loadset directly

[Arnaud Delorme]

>I try to write scripts without using eeglab GUI and I ran into a problem.
>
>If I ran command line
>EEG = pop_loadset('Position1.set', ':', ['all', 'info']);
>The EEG.data field has the string 'Position1.dat' without the data.  It
>look like that it did not load the data from Position1.dat file.
>  
>
This is because the pop_loadset() function does not read the data if it 
is stored on disk by default. Use

EEG = eeg_checkset(EEG);

and this will automatically read the data in memory.

Best,

Arno