fix parsing of objects elements;

[kkozik-amplify]

this fixes:

• function in conditional expression generates parse error #71
• Parsing a multi-line conditional expression causes exception - Unexpected token Token('QMARK', '?') #77
• Two ternary operators - fail to parse #140
• Unexpected token after multiplication #147
• Unexpected Token parsing HCL/Terraform files with conditional statements. #149
• Grammar Breaks between versions for TF and HCL specifically #163