Pkg, import and include

some more examples for Pkg.stuff(), import, using, and include
fixes

added `include` to first example, since one doesn't know how to run
files otherwise
improved io.jl and added addcomments.jl
tweaks to addcomments
fixed errors in string formatting and updated generate.py
Merge pull request #2 from Varanas/master

examples for Pkg, using, import and include
updated common usage
Merge pull request #3 from floswald/master

added multidimensional arrays and two lines to arrays
Merge branch 'master' of github.com:samuelcolvin/JuliaByExample
fix multiarrays to show results
improved multidim arrays and fixed tag error in generate
change pi symbol
change license to MIT and close #4
removed done from TODO in readme
removed repeat quine
Add basic DataFrames example
Merge pull request #5 from johnmyleswhite/master

Add basic DataFrames example
modified datafames to write to STDOUT #5
included dataframes in page, move error handling and tweak
remove italics from comments