Implementation of Parser

LogicalAndExpression()
EqualityExpression()
RelationalExpression()
OrExpression()
AndExpression()
ShiftExpression()
AdditiveExpression()
MultiplicativeExpression()
UnaryExpression()
Increase iterator after operator token
PostfixExpression() and IdentifierNode
Remove ByteCode in Parser
identifier and literal in PrimaryExpression()
Removed Value
parenthesized expression in PrimaryExpression()
array in PrimaryExpression()
Indent
Expected , or ]. end of array
hash in PrimaryExpression()
Exception in PrimaryExpression()
Indent reverted