fix #13 - Environment#depends should expand its arguments for construction variables
fix #12 - allow overriding dependency file suffix with DEPFILESUFFIX construction variable
add v1.6.1 release notes
update .gitignore, version Gemfile.lock
v1.6.1
fix YARD curly brace escapes
clear build targets after processing an Environment - close #17
allow build hooks to register new build targets - close #15
add post-build hooks - close #14
update README.md notes about build hooks
test cloning post-build hooks
allow trailing slashes to be passed to env.build_dir()
fix Environment#build_dir documentation
add tests for *SUFFIX variables containing Arrays - close #9
use "rake/clean" module now that it isn' so noisy; clean .yardoc folder
add @since tag to Environment#add_post_build_hook
add v1.7.0 release notes
v1.7.0