fix parsing of '--' resulting in '–' parsing

[ckreisl]

fixes #22

[github-actions]

Coverage Report

File	Stmts	Miss	Cover	Missing
__init__.py	0	0	100%
crawler.py	30	0	100%
cs2.py	83	10	87%	30, 37, 42, 50, 68, 89, 105, 118–120
db.py	209	23	89%	52–54, 75–78, 157, 159–160, 163–168, 354, 356–357, 360–361, 363–364
post.py	79	2	97%	21, 61
bot
__init__.py	0	0	100%
chats.py	21	0	100%
constants.py	4	0	100%
content.py	76	6	92%	28, 49, 62, 90, 100, 106
cs2.py	300	95	68%	37–42, 44–46, 97–100, 102–105, 107–109, 111–112, 114–116, 118–119, 121, 124, 126–130, 132–135, 137, 146, 150–153, 202, 316–319, 322–323, 325–326, 328, 330, 333–335, 338–339, 341–342, 344, 346, 349–351, 354–355, 357, 359–360, 362, 364, 367–369, 379, 381–383, 385–387, 389, 432, 434–436, 442, 444–446, 449, 452
decorators.py	3	3	0%	1, 3, 5
message.py	163	33	79%	83–86, 99, 120, 122, 132, 134–135, 137, 139–141, 150–153, 155, 167–170, 210, 213, 220, 222, 225–226, 241, 248–249, 266
options.py	98	20	79%	34, 41–43, 48–50, 52, 69, 73–74, 78, 80, 82, 85–87, 89, 159–160
settings.py	17	0	100%
spam.py	71	0	100%
utils.py	24	0	100%
parser
__init__.py	0	0	100%
parser.py	14	1	92%	21
steam2telegram_html.py	26	0	100%
steam_list.py	52	0	100%
steam_news_image.py	16	0	100%
steam_news_youtube.py	12	0	100%
steam_update_heading.py	21	0	100%
TOTAL	1319	193	85%

Tests	Skipped	Failures	Errors	Time
138	0 💤	0 ❌	0 🔥	4.156s ⏱️