optional substition, include missing file, eol assignment fixes

0.3.3

bumped version

optional substitutions + substitution fixes

0.3.2

bumped version

added default value to get

0.3.1

bumped version to 0.3.1

fixed list of dicts merge and include in lists

0.3.0

bumped version and added samples with lists

dict expr fix

0.2.9

bumped version to 0.2.9

fixed parse_URL

0.2.8

fixed travis conf

dict merge fix

0.2.7

bumped version to 0.2.7

string substitution fix

0.2.6

bumped version to 0.2.6

fixed bug when None values set explicitly (PR #7)

0.2.3

added more tests on unset values, bumped version and added new contri…

ConfigTree inherits from OrderedDict and other improvements

0.2.2

bumped version and added contributor. Thanks @joehalliwell for your P…