better check for default value, this allows using false or empty string as defaults
Merge pull request #276 from prymitive/build_fixes

better check for default value, this allows using false or empty string ...
goroutines support must be completely rewritten :(
updated gemspec for 1.9.10
added "file" routing action
added error routes
preliminary implementation of error routing
fixed #277
added ignore_body flag
added file-next action
core: print a warning if the configuration section can't be read

Fixes #278
Merge pull request #280 from xrmx/warn-ini

core: print a warning if the configuration section can't be read
fixed a typo
fixed goto and pc in error and final routing