v0.1.3

Changelog

• d998c46 add +=, -=, /=, *= to the token and lexer
• 44da35e add printf and clean the implementation of print
• 824ec4e add single line and multiline comment
• a583f90 add the history support in the repl
• f3be5e9 add the new token to the evaluator
• 73be001 add the new token to the parser
• ab9f3d9 add the operation for float and int and also fix the zero division issue
• c2e1130 add the single and multi-line comment to the token and parser
• 947e252 add the test for them
• 1abe304 add the typeof and improve the print
• f2581a6 fix the multi-line comment bug