Gumby Framework - Claymate on old/dev Node Versions

node_v0.11.7_build

# node -v
v0.11.7
# claymate build

/root/.nvm/v0.11.7/lib/node_modules/claymate/node_modules/uglify-js/lib/parse.js:53
KEYWORDS = makePredicate(KEYWORDS);
         ^
util.debug: Use console.error instead
DEBUG: ERROR in file: /root/.nvm/v0.11.7/lib/node_modules/claymate/node_modules/uglify-js/lib/parse.js / ReferenceError: KEYWORDS is not defined

node_v0.8.25_build

# node -v
v0.8.25
# claymate build

buffer.js:440
      throw new Error('Unknown encoding');
            ^
Error: Unknown encoding
    at Buffer.toString (buffer.js:440:13)
    at Object.fs.readFileSync (fs.js:236:33)
    at Claymate.getJSONConfig (/usr/local/lib/node_modules/claymate/lib/claymate.js:319:27)
    at Object.<anonymous> (/usr/local/lib/node_modules/claymate/bin/claymate:8:24)
    at Module._compile (module.js:449:26)
    at Object.Module._extensions..js (module.js:467:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Module.runMain (module.js:492:10)
    at process.startup.processNextTick.process._tickCallback (node.js:245:9)

node_v0.8.25_install

# node -v
v0.8.25
# claymate install
Creating directory: fonts/icons
Creating directory: sass/var
Creating directory: img
Creating directory: js
Creating directory: css
Copying file bower_components/gumby/ui.html to ui.html
[Error: Unknown encoding]