Added function for loading .soso files. Added test function as well.

+tests/+soundsource/load.m

+function [datafile] = load()
+%LOAD Loads a test soso file into memory.
+
+[currentDirectory, ~, ~] = fileparts(mfilename('fullpath'));
+
+dataFileName = fullfile(currentDirectory, '..', 'data', 'HAFOS.soso');
+
+
+datafile = artoa.load.soundsource(dataFileName);
+
+end

lib/+artoa/+load/soundsource.m

+function [ soundsource ] = soundsource(pFilename)
+%RFB Loads a .soso file into memory using the tomlini function.
+%   Creates a struct that contains the sections as properties.
+%
+%   Parameters:
+%       pFilename (string) The filename to be read.
+%
+
+
+%% Initialize input parameter
+soundsource = false;
+
+%% Parameter check
+parameter_error = false;
+
+if (~ischar(pFilename))
+    warning([mfilename ': pFilename is not a string!']);
+    parameter_error = true;
+else
+    % get filename details
+    [pathstr, name, ext] = fileparts(pFilename);
+    if (~strcmp(ext, '.soso'))
+        warning([mfilename ': Please check input parameter. Wrong file extension! Should be .soso!']);
+        parameter_error = true;
+    end
+end
+
+if parameter_error
+    return; % return if parameter check has not been passed successfully
+else
+    clear parameter_error;
+end
+
+soundsource = artoa.load.tomlini(pFilename);
+
+end