Introduction of Sheet Processor [w3d4]

Implementation of (almost) full-scale track composition module `SheetProcessor` (aka `sheetprc.exe`)

Update 0.3.1 [w2d6]

* Implemented all vowels and 1 consonant
* Created application for converting phoneme sequences into WAV sound
* Created a module .Wave16 with 16-bit waves declaration that can be used apart from existing .Wave module. Content of .Wave16 assembly is identical to .Wave's content
* Created .Resampling.Depth module for converting 8-bit waves to 16-bit waves and vice versa.

Additional vocalization and Speaker updates [w1d4]

Implemented some more vowels and notes prolonging in Speaker.

Speaker update

Slight update of Speaker program

Update README.md