v1.1.1

Some smaller fixes

• The default method has be reverted to numeric. The convenience of having numbers usually imported as numbers outweighs the very small danger of letting a mis-conversion through for most people.
• check more lines to estimate the separator if the first data line only has spaces

v1.1

add icon and version info in exe

v1.1-rc1

added checkpapers

v1.0

added README.md and LICENSE.md