cctype v1.0.3

#Ctype.h A Node module to implement the functions provided by C++'s Ctype.h header. Following are the functions 1. isAlpha- Checks whether the character is an alphabet or not. 2. isBlank- Checks whether the character is a blank character or not. 3. isDigit- Checks whether the character is a digit or not. 4. isStrUpper- Checks whether the string is in Uppercase or not. 5. isStrLower- Checks whether the string is in Lowercase or not. 6. isUpper- Checks whether the character is in Uppercase or not. 7. isLower- Checks whether the character is in Lowercase or not. 8. isNum- Checks whether the string is a number or not. 9. isAlNum- Checks whether the string is an alphanumeric or not. 10. isStr- Checks whether the string contains on alphabets or not. It returns true if the function is true and false if the function is false