Merge pull request #27 from pisabev/master

Bool value support.
Add test for boolean value substitution
Bump version
Fix string substitution
Bump version
Fix unit test for invalid port number - dart:io socket now has stricter checks
Preserve the precision of DateTime, i.e., milliseconds. Thus, read-back will return the same value.
Padding zeros to milliseconds, and add test case
Merge pull request #31 from tomyeh/master

Preserve the precision of DateTime, i.e., milliseconds
Add additional checks to timestamp milliseconds test
Update gitignore
Bump version
Merge pull request #1 from xxgreg/master

Update