Add -Werror and -Wall compilation flags
Add the `number_t` user type for sorting data
split: Specify size of the temporary files in bytes
Minor fixes in style of `if`, `for` and `while` statements
Move string to number convertion functions to the `functions` module
split: Use the template NumberToString function
check: Fix the functions naming style
concate: Fix the functions naming style
sampler: Fix the functions naming style
sort: Fix the functions naming style
split: Fix the functions naming style
File: Fix bug in the ReadBuffer method
sampler: Perform the code refactoring
sort: Perform the code refactoring
check: Perform the code refactoring
concate: Perform the code refactoring
types_sort.h: Add constant variables for maximum number and file size values