Enable rhyming

[gmarmstrong]

Re-enable :MuseRelRHY and :MuseRelNRY.

Fix function muse#RhymeBot(query):

vim-muse/plugin/muse.vim

Lines 89 to 114 in 0a992e9

	"" Rhymes with the last word of the previous line
	"" FIXME
	"function! muse#RhymeBot(query)
	" " Get rhymes for the previous text
	" let s:rhyming_word = muse#GetPrevText()
	"
	" " Get new words
	" let s:rhymes = split(system("python3 " . s:path . "/../lib/datamuse_interface.py " . a:query . " " . s:rhyming_word))
	"
	" " Print list of rhymes
	" echo 'Rhymes with ' . s:rhyming_word . ':'
	" let s:count = 0
	" for s:rhyme in s:rhymes
	" echom s:count . '.' s:rhyme
	" let s:count += 1
	" endfor
	"
	" " Receive user input/choice
	" " See `:help complete-funcitons`
	" " See `:help complete()`
	" " See `:help getchar()`
	" let @q = s:rhymes[nr2char(getchar())]
	"
	" " Insert choice
	" normal! "qp
	"endfunction

[gmarmstrong]

Also update doc/muse.txt:

vim-muse/doc/muse.txt

Lines 129 to 140 in 0a992e9

	*MuseRelRHY*
	*<plug>(muse_rel_rhy)*
	`:MuseRelRHY` CURRENTLY DISABLED. Offers a list of perfect rhymes
	of the last word of the previous line. The user's
	selection is pasted beside the cursor.
	*MuseRelNRY*
	*<plug>(muse_rel_nry)*
	`:MuseRelNRY` CURRENTLY DISABLED. Offers a list of near rhymes of
	the last word of the previous line. The user's
	selection is pasted beside the cursor.