Fixed `0` position (#12)

Also fixed compilation warnings from new fonttools about table versions being "float" (1.0)

Added <==

Added <==
Updated list of compatible software (@ForNeVeR)

More ligatures and conditional compilation with alt version

Added long right arrow --> (closes #4)
Added "less or equal" and "greater or equal" ligatures
Added support for conditional compilation using C preprocessor
  Default compilation enables =< and >= ligatures for the above
  Alt compilation enables <= (used to be fat arrow) and >= (closes #3)

<|> <=< >=>

Alt operator and Kleisli arrows

<~> <^> /\ and shortened >>= and =<<

<~> and <^> are purescript-template-strings combinators by @Risto-Stevcev
/\ is Data.Tuple.Nested

<~ and ~>

v3.02.4

Added <~ and ~> ligatures

New ligatures

Added Elm compose ligatures ( <| and |> ) celebrating Elm 0.17 release
Go Signals, go!

Added more ligatures

Added <<< >>> :: := <> /= {- -}

More ligatures added

Added apply <*> and map <$>

3.02

Implemented the following list of ligatures:
a<->b
a->b
a<-b
a=>b
a<=b
a++b
a!=b
a!==b
a===b
a>>=b
a=<<b
a<=>b
a==b