Add unit test for reading space-only version info
Print path end exception info when inpx.py cannot process an input
Read column names from structure.info file
Silence out a few more PyLint warnings in unit tests
Read collection info from collection.info file
Decode text files by using ANSI codepage when failed with UTF-8
Remove extra BOM from start of text files
Remove invalid BOM from start of text file using ANSI codepage