Changes

= InputFile / IFILE =

= InputFile / IFILE =

This is our class for file operations.  It hides the underlying file structure from the user.  That way code can generically open and operate on a file using the exact same interface without having to know if the file is standard, gzip, or bgzf format (at least for reading - for writing the user has to specify which type to open).

This is our class for file operations.  It hides the underlying file structure from the user.  That way code can generically open and operate on a file using the exact same interface without having to know if the file is standard, gzip, or bgzf format (for reading from a file - for reading from stdin and writing, the user has to specify which type to open).