Remove unecessary public scope
Javadoc to aid understanding
Add @VALUE tag

Fixes #3
Fix @INCLUDE tag with variable

Backwards incompatible change to @INCLUDE(:variable)
Previously, it included the value of the variable
Now it includes the named section identified by the variable
Use the new @VALUE to output a variable
Note that @VALUE does not output a trailing space
Fixes #4
Fix to handle trailing line comments

Strip trailing line comments otherwse they mess up multi-line SQL
Fixes #5
Release v0.8