rm(sin): remove sin example

fix(ignoreBiases): was ignoring nodes, lol
fix(w2v): better logging and implementation

sibe.cabal

@@ -33,15 +33,6 @@ library
                      , Chart-cairo
   default-language:    Haskell2010
 
---executable sibe-exe
-  --hs-source-dirs:      app
-  --main-is:             Main.hs
-  --ghc-options:         -threaded -rtsopts -with-rtsopts=-N
-  --build-depends:       base
-                     --, sibe
-                     --, hmatrix
-  --default-language:    Haskell2010
-
 executable example-xor
   hs-source-dirs:      examples
   main-is:             xor.hs
@@ -64,15 +55,6 @@ executable example-word2vec
                      , vector
   default-language:    Haskell2010
 
---executable example-sin
-  --hs-source-dirs:      examples
-  --main-is:             sin.hs
-  --ghc-options:         -threaded -rtsopts -with-rtsopts=-N
-  --build-depends:       base
-                     --, sibe
-                     --, hmatrix
-  --default-language:    Haskell2010
-
 executable example-424
   hs-source-dirs:      examples
   main-is:             424encoder.hs