v5.12.0

• Fix quote mode in web version
• Prompt now shows ending quote when in quote mode
• Rename is-foo operations to foo?
• Remove is-not and neq in favor of is not and eq not
• Add aliases to time zone database where searching by reverse may make more sense
• Remove "Etc" designations in the time zone database
• Fix case where blank line was popping the stack in quote mode
• Change input box to textarea in web version to accommodate multi-line input