Renamed HasFullStackTrace to HasStackTraceWithCurrentObjects, added ErrorHandler\Exception class, added PrettyPrinter\Settings\Bool->yes() and ->no() and refactored Text class
Removed Text->join() method and replaced it with direct calls to __toString()
Removed inlined some calls to Text->addLine()
Simplified some calls to Text->indent()
Enabled Text to be constructed with a single blank line
Fixed PhpStorm type compatibility warning
Fixed handling of newlines in Text class