0.7.4

• Added Float module and remainder (thanks @wmoxam)
• Show elapsed time in HTTP::LogHandler (thanks @zamith for the suggestion)
• Added 0o as a prefix for octal numbers (thanks @asb)
• Allow spaces before the closing tag of a heredoc (thanks @zamith)
• String#split(Regex) now includes captures in the results
• Added union?, union_types and type_params in macro methods
• Improved MatchData#to_s to show named groups (thanks @will)
• Optimized Base64 encode/decode (thanks @kostya)
• Added basic docs for spec (thanks @PragTob)
• Added docs for Benchmark (thanks @daneb)
• Added ARGF
• Non-matching regex captures now return nil instead of an empty string (thanks @will)
• Added $1?, $2?, etc., as a nilable alternative to $1, $2, etc.
• Added user, password, fragment and opaque to URI (thanks @will)
• HTTP::Client.exec now honors user/password info from URI
• Set default user agent in HTTP::Client
• Added String#chop
• Fixed crystal deps behaviour with empty git repositories (thanks @tkrajcar)
• Optimized HTTP::Headers and HTTP::Request parsing.
• FileDescriptorIO (superclass of File and Socket) has now buffering capabilities (use sync= and sync? to turn on/off). That means there's no need to use BufferedIO for these classes anymore.
• Allow pointerof with class and global variables, and also foo.@bar access
• Optimized fibers performance.
• Added inline assembly support.
• The .crystal cache dir is now configurable with an ENV variable (thanks @jhass)
• Generic type variables names can now also be a single letter followed by a digit.