diff --git a/.travis.yml b/.travis.yml
index 9997e7fa..93cde581 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,8 @@
 language: node_js
 node_js:
-  - 0.10
+  - "4.1"
+  - "4.0"
+  - "0.12"
 git:
   depth: 1
 branches:
diff --git a/svg/1f51f.svg b/svg/1f51f.svg
index b90f78fd..549a9623 100644
--- a/svg/1f51f.svg
+++ b/svg/1f51f.svg
@@ -1 +1 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?><svg xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 47.5 47.5" style="enable-background:new 0 0 47.5 47.5;" xml:space="preserve" version="1.1" id="svg2"><metadata id="metadata8"><rdf:RDF><cc:Work rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/></cc:Work></rdf:RDF></metadata><defs id="defs6"><clipPath id="clipPath16" clipPathUnits="userSpaceOnUse"><path id="path18" d="M 0,38 38,38 38,0 0,0 0,38 Z"/></clipPath></defs><g transform="matrix(1.25,0,0,-1.25,0,47.5)" id="g10"><g id="g12"><g clip-path="url(#clipPath16)" id="g14"><g transform="translate(37,5)" id="g20"><path id="path22" style="fill:#9aaab4;fill-opacity:1;fill-rule:nonzero;stroke:none" d="m 0,0 c 0,-2.209 -1.791,-4 -4,-4 l -28,0 c -2.209,0 -4,1.791 -4,4 l 0,28 c 0,2.209 1.791,4 4,4 l 28,0 c 2.209,0 4,-1.791 4,-4 L 0,0 Z"/></g><g transform="translate(8.2134,26.0249)" id="g24"><path id="path26" style="fill:#f5f8fa;fill-opacity:1;fill-rule:nonzero;stroke:none" d="m 0,0 -1.958,0 c -1.592,0 -2.255,1.162 -2.255,2.289 0,1.16 0.829,2.288 2.255,2.288 l 4.71,0 c 1.426,0 2.223,-1.028 2.223,-2.354 l 0,-18.875 c 0,-1.658 -1.061,-2.586 -2.488,-2.586 C 1.062,-19.238 0,-18.31 0,-16.652 L 0,0 Z"/></g><g transform="translate(28.5859,18.7935)" id="g28"><path id="path30" style="fill:#f5f8fa;fill-opacity:1;fill-rule:nonzero;stroke:none" d="m 0,0 c 0,2.521 -0.232,7.696 -3.616,7.696 -3.383,0 -3.615,-5.175 -3.615,-7.696 0,-2.355 0.232,-7.695 3.615,-7.695 C -0.232,-7.695 0,-2.355 0,0 m -12.406,0 c 0,5.407 2.09,12.207 8.79,12.207 6.7,0 8.791,-6.8 8.791,-12.207 0,-5.406 -2.091,-12.207 -8.791,-12.207 -6.7,0 -8.79,6.801 -8.79,12.207"/></g></g></g></g></svg>
+<?xml version="1.0" encoding="UTF-8" standalone="no"?><svg xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 47.5 47.5" style="enable-background:new 0 0 47.5 47.5;" xml:space="preserve" version="1.1" id="svg2"><metadata id="metadata8"><rdf:RDF><cc:Work rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/></cc:Work></rdf:RDF></metadata><defs id="defs6"><clipPath id="clipPath16" clipPathUnits="userSpaceOnUse"><path id="path18" d="M 0,38 38,38 38,0 0,0 0,38 Z"/></clipPath></defs><g transform="matrix(1.25,0,0,-1.25,0,47.5)" id="g10"><g id="g12"><g clip-path="url(#clipPath16)" id="g14"><g transform="translate(37,5)" id="g20"><path id="path22" style="fill:#3b88c3;fill-opacity:1;fill-rule:nonzero;stroke:none" d="m 0,0 c 0,-2.209 -1.791,-4 -4,-4 l -28,0 c -2.209,0 -4,1.791 -4,4 l 0,28 c 0,2.209 1.791,4 4,4 l 28,0 c 2.209,0 4,-1.791 4,-4 L 0,0 Z"/></g><g transform="translate(8.2134,26.0249)" id="g24"><path id="path26" style="fill:#f5f8fa;fill-opacity:1;fill-rule:nonzero;stroke:none" d="m 0,0 -1.958,0 c -1.592,0 -2.255,1.162 -2.255,2.289 0,1.16 0.829,2.288 2.255,2.288 l 4.71,0 c 1.426,0 2.223,-1.028 2.223,-2.354 l 0,-18.875 c 0,-1.658 -1.061,-2.586 -2.488,-2.586 C 1.062,-19.238 0,-18.31 0,-16.652 L 0,0 Z"/></g><g transform="translate(28.5859,18.7935)" id="g28"><path id="path30" style="fill:#f5f8fa;fill-opacity:1;fill-rule:nonzero;stroke:none" d="m 0,0 c 0,2.521 -0.232,7.696 -3.616,7.696 -3.383,0 -3.615,-5.175 -3.615,-7.696 0,-2.355 0.232,-7.695 3.615,-7.695 C -0.232,-7.695 0,-2.355 0,0 m -12.406,0 c 0,5.407 2.09,12.206 8.79,12.206 6.7,0 8.791,-6.799 8.791,-12.206 0,-5.406 -2.091,-12.207 -8.791,-12.207 -6.7,0 -8.79,6.801 -8.79,12.207"/></g></g></g></g></svg>