ReadInFaimsDirectoriesMultiFile: Read and combine multiple FAIMS data files per sample
In mattdneal/FAIMSToolkit: Tools to aid in the analysis of FAIMS data

Search for directories containing FAIMS data below a specified directory, and return a named matrix with one row per directory. Multiple file patterns may be passed as a character vector to combine multiple files per directory.

1 2	ReadInFaimsDirectoriesMultiFile(dataPath, filePatterns = ".*[.](txt\|asc)", dec = ".", minFlowRate = 1.9)

`dataPath`	the directory containing the data
`filePatterns`	a character vector of regular expressions. All files matching this regular expression will be included.
`dec`	Decimal symbol
`minFlowRate`	minimum acceptable flow rate. If min flow rate falls below this threshold an error is thrown