Cleaned up some messy File housekeeping.
Ignoring project env rc file.
Simplified file read example.
Added bonus question about the file read.
Normalized file name and koan category name.
Removed utf-8 character in comments.
Updated koans from source.
minor grammar nit
Add about_symbols koan
Fixed typo
Clean up about_koans and add another example
Use correct method for exception fill-in blank
Add koan on asserting exceptions
Add timestamps to package output
end screen with koans logo ascii art
regen for updated koans/edgecase.rb
Added else clause if progress file is not there.
Updated Koans directory
80 char limit to end screen
merge and 80 char limit on src