Labcsv

+ [add get_column_values ​​function with return value as list ( + get_column_list function )](https://github.com/s-n-1-0/labcsv.py/commit/2572ef54f600cf341fa6111e40a967a95717eb74)

[add dtype option to read_csv function](https://github.com/s-n-1-0/labcsv.py/commit/f2206fb2595a5fc4bf3403fc0653ea855a6bbddc)
Read columns as any type

+ Add function to get meta. 654330eb45a47ab95a717063f7365fb748ed8c7b

First version.

+ str type: "001" -> "001"
python
rlab = read_csv("tests/test.csv",dtype={"Param2":str})

*"Param2" is a header name
*The specifications are the same as for pandas.