Upgrade FalkorLib to the latest version

Signed-off-by: Sebastien Varrette <Sebastien.Varrette@uni.lu>

Gemfile.lock

@@ -1,19 +1,19 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (4.2.8)
+    activesupport (4.2.9)
       i18n (~> 0.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
     artii (2.1.2)
-    awesome_print (1.7.0)
+    awesome_print (1.8.0)
     configatron (3.2.0)
     deep_merge (1.0.1)
     diff-lcs (1.2.5)
     diffy (3.2.0)
     facter (2.4.6)
-    falkorlib (0.7.7)
+    falkorlib (0.7.8)
       activesupport (~> 4.0)
       artii (>= 2.1)
       awesome_print (~> 1.2)
@@ -33,14 +33,14 @@ GEM
     git_remote_branch (0.3.8)
     hiera (2.0.0)
       json_pure
-    i18n (0.8.1)
+    i18n (0.8.6)
     json (1.8.6)
     json_pure (1.8.2)
     license-generator (0.4.1)
       thor
     logger (1.2.8)
     minigit (0.0.4)
-    minitest (5.10.2)
+    minitest (5.10.3)
     puppet (4.0.0)
       facter (> 2.0, < 4)
       hiera (>= 2.0, < 3)
@@ -66,10 +66,11 @@ GEM
     rspec-support (3.2.2)
     term-ansicolor (1.6.0)
       tins (~> 1.0)
-    thor (0.19.4)
-    thor-zsh_completion (0.1.2)
+    thor (0.20.0)
+    thor-zsh_completion (0.1.4)
+      thor (~> 0)
     thread_safe (0.3.6)
-    tins (1.13.3)
+    tins (1.15.0)
     tzinfo (1.2.3)
       thread_safe (~> 0.1)