irb 1.3.1 on Ruby Gems

What's Changed

Enhance colored inspect output by @k0kubun in #159
Newline in oneliner def doesn't reset indent by @aycabta in #156
Escape invalid byte sequence in Exception by @aycabta in #157
Handle indentations related to keyword "do" correctly by @aycabta in #160
Heredoc may contain multiple newlines in a single token by @aycabta in #161
Stringify when a non-object is passed to PP#text by @aycabta in #165
Use Ripper::Lexer#scan to take broken tokens by @aycabta in #163
Ensure to restore $VERBOSE by @nobu in #166
fix typo in IRB::Irb#convert_invalid_byte_sequence by @no6v in #167
do not escape a predicate method for doc namespace by @no6v in #168
refactoring an error handling in IRB::Inspector by @no6v in #169
Use Exception#full_message to show backtrace in the correct order by @aycabta in #170

Full Changelog: v1.3.0...v1.3.1